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<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>OpenAPI Specification v3.1.0 | Introduction, Definitions, & More</title><meta name="description" content="The OpenAPI Specification (OAS) defines a standard, programming language-agnostic interface description for HTTP APIs."><link rel="canonical" href="https://spec.openapis.org/oas/latest.html" /><script src="../js/respec-oai.js" class="remove"></script><script class="remove">var respecConfig = {"specStatus":"base","editors":[{"name":"Darrel Miller "},{"name":"Jeremy Whitlock "},{"name":"Marsh Gardiner "},{"name":"Mike Ralphson "},{"name":"Ron Ratovsky "},{"name":"Uri Sarid "}],"formerEditors":[{"name":"Jason Harmon "},{"name":"Tony Tam "}],"publishDate":"2021-02-15T00:00:00.000Z","subtitle":"Version 3.1.0","processVersion":2017,"edDraftURI":"https://github.com/OAI/OpenAPI-Specification/","github":{"repoURL":"https://github.com/OAI/OpenAPI-Specification/","branch":"master"},"shortName":"OAS","noTOC":false,"lint":false,"additionalCopyrightHolders":"the Linux Foundation","includePermalinks":true};</script><!-- Global site tag (gtag.js) - Google Analytics -->
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</head><body><style>#respec-ui { visibility: hidden; }h1,h2,h3 { color: #629b34; }a[href] { color: #45512c; }body:not(.toc-inline) #toc h2 { color: #45512c; }table { display: block; width: 100%; overflow: auto; }table th { font-weight: 600; }table th, table td { padding: 6px 13px; border: 1px solid #dfe2e5; }table tr { background-color: #fff; border-top: 1px solid #c6cbd1; }table tr:nth-child(2n) { background-color: #f6f8fa; }pre { background-color: #f6f8fa !important; }/** * GitHub Gist Theme * Author : Louis Barranqueiro - https://github.com/LouisBarranqueiro */ .hljs { display: block; background: white; padding: 0.5em; color: #333333; overflow-x: auto; } .hljs-comment, .hljs-meta { color: #969896; } .hljs-string, .hljs-variable, .hljs-template-variable, .hljs-strong, .hljs-emphasis, .hljs-quote { color: #df5000; } .hljs-keyword, .hljs-selector-tag, .hljs-type { color: #a71d5d; } .hljs-literal, .hljs-symbol, .hljs-bullet, .hljs-attribute { color: #0086b3; } .hljs-section, .hljs-name { color: #63a35c; } .hljs-tag { color: #333333; } .hljs-title, .hljs-attr, .hljs-selector-id, .hljs-selector-class, .hljs-selector-attr, .hljs-selector-pseudo { color: #795da3; } .hljs-addition { color: #55a532; background-color: #eaffea; } .hljs-deletion { color: #bd2c00; background-color: #ffecec; } .hljs-link { text-decoration: underline; } </style><h1 id="title">OpenAPI Specification v3.1.0 </h1><section id="abstract" title="What is the OpenAPI Specification?">The OpenAPI Specification (OAS) defines a standard, programming language-agnostic interface description for HTTP APIs, which allows both humans and computers to discover and understand the capabilities of a service without requiring access to source code, additional documentation, or inspection of network traffic. When properly defined via OpenAPI, a consumer can understand and interact with the remote service with a minimal amount of implementation logic. Similar to what interface descriptions have done for lower-level programming, the OpenAPI Specification removes guesswork in calling a service.</section><section class="notoc" id="sotd"><h2>Status of This Document</h2>The source-of-truth for the specification is the GitHub markdown file referenced above.</section>
<section><h1>OpenAPI Specification</h1>
<section><h3>Version 3.1.0</h3>
<p>The key words “MUST”, “MUST NOT”, “REQUIRED”, “SHALL”, “SHALL NOT”, “SHOULD”, “SHOULD NOT”, “RECOMMENDED”, “NOT RECOMMENDED”, “MAY”, and “OPTIONAL” in this document are to be interpreted as described in <a href="https://tools.ietf.org/html/bcp14">BCP 14</a> [[!RFC2119]] [[!RFC8174]] when, and only when, they appear in all capitals, as shown here.</p>
<p>This document is licensed under <a href="https://www.apache.org/licenses/LICENSE-2.0.html">The Apache License, Version 2.0</a>.</p>
</section></section></section><section><h1>Introduction</h1>
<p>The OpenAPI Specification (OAS) defines a standard, language-agnostic interface to HTTP APIs which allows both humans and computers to discover and understand the capabilities of the service without access to source code, documentation, or through network traffic inspection. When properly defined, a consumer can understand and interact with the remote service with a minimal amount of implementation logic.</p>
<p>An OpenAPI definition can then be used by documentation generation tools to display the API, code generation tools to generate servers and clients in various programming languages, testing tools, and many other use cases.</p>
<!-- /TOC -->
</section><section><h1><dfn>Definitions</dfn></h1>
<section><h4><dfn>OpenAPI Document</dfn></h4>
<p>A self-contained or composite resource which defines or describes an API or elements of an API. The OpenAPI document MUST contain at least one <a href="#paths-object">paths</a> field, a <a href="#oasComponents">components</a> field or a <a href="#oasWebhooks">webhooks</a> field. An OpenAPI document uses and conforms to the OpenAPI Specification.</p>
</section><section><h4><dfn>Path Templating</dfn></h4>
<p>Path templating refers to the usage of template expressions, delimited by curly braces ({}), to mark a section of a URL path as replaceable using path parameters.</p>
<p>Each template expression in the path MUST correspond to a path parameter that is included in the <a href="#path-item-object">Path Item</a> itself and/or in each of the Path Item’s <a href="#operation-object">Operations</a>. An exception is if the path item is empty, for example due to ACL constraints, matching path parameters are not required.</p>
<p>The value for these path parameters MUST NOT contain any unescaped “generic syntax” characters described by [[!RFC3986]]: forward slashes (<code>/</code>), question marks (<code>?</code>), or hashes (<code>#</code>).</p>
</section><section><h4><dfn>Media Types</dfn></h4>
<p>Media type definitions are spread across several resources.
The media type definitions SHOULD be in compliance with [[!RFC6838]].</p>
<p>Some examples of possible media type definitions:</p>
<pre class="highlight "><code>
text/plain; charset=utf-8
application/json
application/vnd.github+json
application/vnd.github.v3+json
application/vnd.github.v3.raw+json
application/vnd.github.v3.text+json
application/vnd.github.v3.html+json
application/vnd.github.v3.full+json
application/vnd.github.v3.diff
application/vnd.github.v3.patch
</code></pre>
</section><section><h4><dfn>HTTP Status Codes</dfn></h4>
<p>The HTTP Status Codes are used to indicate the status of the executed operation.
The available status codes are defined by [[!RFC7231]] and registered status codes are listed in the <a href="https://www.iana.org/assignments/http-status-codes/http-status-codes.xhtml">IANA Status Code Registry</a>.</p>
</section></section></section></section><section><h1>Specification</h1>
<section><h2>Versions</h2>
<p>The OpenAPI Specification is versioned using a <code>major</code>.<code>minor</code>.<code>patch</code> versioning scheme. The <code>major</code>.<code>minor</code> portion of the version string (for example <code>3.1</code>) SHALL designate the OAS feature set. <em><code>.patch</code></em> versions address errors in, or provide clarifications to, this document, not the feature set. Tooling which supports OAS 3.1 SHOULD be compatible with all OAS 3.1.* versions. The patch version SHOULD NOT be considered by tooling, making no distinction between <code>3.1.0</code> and <code>3.1.1</code> for example.</p>
<p>Occasionally, non-backwards compatible changes may be made in <code>minor</code> versions of the OAS where impact is believed to be low relative to the benefit provided.</p>
<p>An OpenAPI document compatible with OAS 3.*.* contains a required <a href="#oasVersion"><code>openapi</code></a> field which designates the version of the OAS that it uses.</p>
</section><section><h2>Format</h2>
<p>An OpenAPI document that conforms to the OpenAPI Specification is itself a JSON object, which may be represented either in JSON or YAML format.</p>
<p>For example, if a field has an array value, the JSON array representation will be used:</p>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"field"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span> <span class="hljs-number">1</span><span class="hljs-punctuation">,</span> <span class="hljs-number">2</span><span class="hljs-punctuation">,</span> <span class="hljs-number">3</span> <span class="hljs-punctuation">]</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<p>All field names in the specification are <strong>case sensitive</strong>.
This includes all fields that are used as keys in a map, except where explicitly noted that keys are <strong>case insensitive</strong>.</p>
<p>The schema exposes two types of fields: Fixed fields, which have a declared name, and Patterned fields, which declare a regex pattern for the field name.</p>
<p>Patterned fields MUST have unique names within the containing object.</p>
<p>In order to preserve the ability to round-trip between YAML and JSON formats, YAML version <a href="https://yaml.org/spec/1.2/spec.html">1.2</a> is RECOMMENDED along with some additional constraints:</p>
<ul>
<li>Tags MUST be limited to those allowed by the <a href="https://yaml.org/spec/1.2/spec.html#id2803231">JSON Schema ruleset</a>.</li>
<li>Keys used in YAML maps MUST be limited to a scalar string, as defined by the <a href="https://yaml.org/spec/1.2/spec.html#id2802346">YAML Failsafe schema ruleset</a>.</li>
</ul>
<p><strong>Note:</strong> While APIs may be defined by OpenAPI documents in either YAML or JSON format, the API request and response bodies and other content are not required to be JSON or YAML.</p>
</section><section><h2>Document Structure</h2>
<p>An OpenAPI document MAY be made up of a single document or be divided into multiple, connected parts at the discretion of the author. In the latter case, <a href="#reference-object"><code>Reference Objects</code></a> and <a href="#schema-object"><code>Schema Object</code></a> <code>$ref</code> keywords are used.</p>
<p>It is RECOMMENDED that the root OpenAPI document be named: <code>openapi.json</code> or <code>openapi.yaml</code>.</p>
</section><section><h2>Data Types</h2>
<p>Data types in the OAS are based on the types supported by the <a href="https://tools.ietf.org/html/draft-bhutton-json-schema-00#section-4.2.1">JSON Schema Specification Draft 2020-12</a>.
Note that <code>integer</code> as a type is also supported and is defined as a JSON number without a fraction or exponent part.
Models are defined using the <a href="#schema-object">Schema Object</a>, which is a superset of JSON Schema Specification Draft 2020-12.</p>
<p><a id="dataTypeFormat"> </a>As defined by the <a href="https://tools.ietf.org/html/draft-bhutton-json-schema-validation-00#section-7.3">JSON Schema Validation vocabulary</a>, data types can have an optional modifier property: <code>format</code>.
OAS defines additional formats to provide fine detail for primitive data types.</p>
<p>The formats defined by the OAS are:</p>
<table>
<thead>
<tr>
<th><a href="#data-types"><code>type</code></a></th>
<th><a href="#dataTypeFormat"><code>format</code></a></th>
<th>Comments</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>integer</code></td>
<td><code>int32</code></td>
<td>signed 32 bits</td>
</tr>
<tr>
<td><code>integer</code></td>
<td><code>int64</code></td>
<td>signed 64 bits (a.k.a long)</td>
</tr>
<tr>
<td><code>number</code></td>
<td><code>float</code></td>
<td></td>
</tr>
<tr>
<td><code>number</code></td>
<td><code>double</code></td>
<td></td>
</tr>
<tr>
<td><code>string</code></td>
<td><code>password</code></td>
<td>A hint to UIs to obscure input.</td>
</tr>
</tbody>
</table>
</section><section><h2>Rich Text Formatting</h2>
<p>Throughout the specification <code>description</code> fields are noted as supporting CommonMark markdown formatting.
Where OpenAPI tooling renders rich text it MUST support, at a minimum, markdown syntax as described by <a href="https://spec.commonmark.org/0.27/">CommonMark 0.27</a>. Tooling MAY choose to ignore some CommonMark features to address security concerns.</p>
</section><section><h2>Relative References in URIs</h2>
<p>Unless specified otherwise, all properties that are URIs MAY be relative references as defined by [[!RFC3986]].</p>
<p>Relative references, including those in <a href="#reference-object"><code>Reference Objects</code></a>, <a href="#path-item-object"><code>PathItem Object</code></a> <code>$ref</code> fields, <a href="#link-object"><code>Link Object</code></a> <code>operationRef</code> fields and <a href="#example-object"><code>Example Object</code></a> <code>externalValue</code> fields, are resolved using the referring document as the Base URI according to [[!RFC3986]].</p>
<p>If a URI contains a fragment identifier, then the fragment should be resolved per the fragment resolution mechanism of the referenced document. If the representation of the referenced document is JSON or YAML, then the fragment identifier SHOULD be interpreted as a JSON-Pointer as per [[!RFC6901]].</p>
<p>Relative references in <a href="#schema-object"><code>Schema Objects</code></a>, including any that appear as <code>$id</code> values, use the nearest parent <code>$id</code> as a Base URI, as described by <a href="https://tools.ietf.org/html/draft-bhutton-json-schema-00#section-8.2">JSON Schema Specification Draft 2020-12</a>. If no parent schema contains an <code>$id</code>, then the Base URI MUST be determined according to [[!RFC3986]].</p>
</section><section><h2>Relative References in URLs</h2>
<p>Unless specified otherwise, all properties that are URLs MAY be relative references as defined by [[!RFC3986]].
Unless specified otherwise, relative references are resolved using the URLs defined in the <a href="#server-object"><code>Server Object</code></a> as a Base URL. Note that these themselves MAY be relative to the referring document.</p>
</section><section><h2>Schema</h2>
<p>In the following description, if a field is not explicitly <strong>REQUIRED</strong> or described with a MUST or SHALL, it can be considered OPTIONAL.</p>
<section><h3>OpenAPI Object</h3>
<p>This is the root object of the <a href="#openapi-document">OpenAPI document</a>.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="oasVersion"> </a>openapi</td>
<td style="text-align:center"><code>string</code></td>
<td><strong>REQUIRED</strong>. This string MUST be the <a href="#versions">version number</a> of the OpenAPI Specification that the OpenAPI document uses. The <code>openapi</code> field SHOULD be used by tooling to interpret the OpenAPI document. This is <em>not</em> related to the API <a href="#infoVersion"><code>info.version</code></a> string.</td>
</tr>
<tr>
<td><a id="oasInfo"> </a>info</td>
<td style="text-align:center"><a href="#info-object">Info Object</a></td>
<td><strong>REQUIRED</strong>. Provides metadata about the API. The metadata MAY be used by tooling as required.</td>
</tr>
<tr>
<td><a id="oasJsonSchemaDialect"> </a> jsonSchemaDialect</td>
<td style="text-align:center"><code>string</code></td>
<td>The default value for the <code>$schema</code> keyword within <a href="#schema-object">Schema Objects</a> contained within this OAS document. This MUST be in the form of a URI.</td>
</tr>
<tr>
<td><a id="oasServers"> </a>servers</td>
<td style="text-align:center">[<a href="#server-object">Server Object</a>]</td>
<td>An array of Server Objects, which provide connectivity information to a target server. If the <code>servers</code> property is not provided, or is an empty array, the default value would be a <a href="#server-object">Server Object</a> with a <a href="#serverUrl">url</a> value of <code>/</code>.</td>
</tr>
<tr>
<td><a id="oasPaths"> </a>paths</td>
<td style="text-align:center"><a href="#paths-object">Paths Object</a></td>
<td>The available paths and operations for the API.</td>
</tr>
<tr>
<td><a id="oasWebhooks"> </a>webhooks</td>
<td style="text-align:center">Map[<code>string</code>, <a href="#path-item-object">Path Item Object</a> | <a href="#reference-object">Reference Object</a>] ]</td>
<td>The incoming webhooks that MAY be received as part of this API and that the API consumer MAY choose to implement. Closely related to the <code>callbacks</code> feature, this section describes requests initiated other than by an API call, for example by an out of band registration. The key name is a unique string to refer to each webhook, while the (optionally referenced) Path Item Object describes a request that may be initiated by the API provider and the expected responses. An <a href="https://github.com/OAI/OpenAPI-Specification/tree/master/examples/v3.1/webhook-example.yaml">example</a> is available.</td>
</tr>
<tr>
<td><a id="oasComponents"> </a>components</td>
<td style="text-align:center"><a href="#components-object">Components Object</a></td>
<td>An element to hold various schemas for the document.</td>
</tr>
<tr>
<td><a id="oasSecurity"> </a>security</td>
<td style="text-align:center">[<a href="#security-requirement-object">Security Requirement Object</a>]</td>
<td>A declaration of which security mechanisms can be used across the API. The list of values includes alternative security requirement objects that can be used. Only one of the security requirement objects need to be satisfied to authorize a request. Individual operations can override this definition. To make security optional, an empty security requirement (<code>{}</code>) can be included in the array.</td>
</tr>
<tr>
<td><a id="oasTags"> </a>tags</td>
<td style="text-align:center">[<a href="#tag-object">Tag Object</a>]</td>
<td>A list of tags used by the document with additional metadata. The order of the tags can be used to reflect on their order by the parsing tools. Not all tags that are used by the <a href="#operation-object">Operation Object</a> must be declared. The tags that are not declared MAY be organized randomly or based on the tools’ logic. Each tag name in the list MUST be unique.</td>
</tr>
<tr>
<td><a id="oasExternalDocs"> </a>externalDocs</td>
<td style="text-align:center"><a href="#external-documentation-object">External Documentation Object</a></td>
<td>Additional external documentation.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section></section><section><h3>Info Object</h3>
<p>The object provides metadata about the API.
The metadata MAY be used by the clients if needed, and MAY be presented in editing or documentation generation tools for convenience.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="infoTitle"> </a>title</td>
<td style="text-align:center"><code>string</code></td>
<td><strong>REQUIRED</strong>. The title of the API.</td>
</tr>
<tr>
<td><a id="infoSummary"> </a>summary</td>
<td style="text-align:center"><code>string</code></td>
<td>A short summary of the API.</td>
</tr>
<tr>
<td><a id="infoDescription"> </a>description</td>
<td style="text-align:center"><code>string</code></td>
<td>A description of the API. <a href="https://spec.commonmark.org/">CommonMark syntax</a> MAY be used for rich text representation.</td>
</tr>
<tr>
<td><a id="infoTermsOfService"> </a>termsOfService</td>
<td style="text-align:center"><code>string</code></td>
<td>A URL to the Terms of Service for the API. This MUST be in the form of a URL.</td>
</tr>
<tr>
<td><a id="infoContact"> </a>contact</td>
<td style="text-align:center"><a href="#contact-object">Contact Object</a></td>
<td>The contact information for the exposed API.</td>
</tr>
<tr>
<td><a id="infoLicense"> </a>license</td>
<td style="text-align:center"><a href="#license-object">License Object</a></td>
<td>The license information for the exposed API.</td>
</tr>
<tr>
<td><a id="infoVersion"> </a>version</td>
<td style="text-align:center"><code>string</code></td>
<td><strong>REQUIRED</strong>. The version of the OpenAPI document (which is distinct from the <a href="#oasVersion">OpenAPI Specification version</a> or the API implementation version).</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section><section><h4>Info Object Example</h4>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"title"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Sample Pet Store App"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"summary"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"A pet store manager."</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"This is a sample server for a pet store."</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"termsOfService"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://example.com/terms/"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"contact"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"API Support"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://www.example.com/support"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"email"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"[email protected]"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"license"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Apache 2.0"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://www.apache.org/licenses/LICENSE-2.0.html"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"version"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"1.0.1"</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">title:</span> <span class="hljs-string">Sample</span> <span class="hljs-string">Pet</span> <span class="hljs-string">Store</span> <span class="hljs-string">App</span>
<span class="hljs-attr">summary:</span> <span class="hljs-string">A</span> <span class="hljs-string">pet</span> <span class="hljs-string">store</span> <span class="hljs-string">manager.</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">This</span> <span class="hljs-string">is</span> <span class="hljs-string">a</span> <span class="hljs-string">sample</span> <span class="hljs-string">server</span> <span class="hljs-string">for</span> <span class="hljs-string">a</span> <span class="hljs-string">pet</span> <span class="hljs-string">store.</span>
<span class="hljs-attr">termsOfService:</span> <span class="hljs-string">https://example.com/terms/</span>
<span class="hljs-attr">contact:</span>
<span class="hljs-attr">name:</span> <span class="hljs-string">API</span> <span class="hljs-string">Support</span>
<span class="hljs-attr">url:</span> <span class="hljs-string">https://www.example.com/support</span>
<span class="hljs-attr">email:</span> <span class="hljs-string">[email protected]</span>
<span class="hljs-attr">license:</span>
<span class="hljs-attr">name:</span> <span class="hljs-string">Apache</span> <span class="hljs-number">2.0</span>
<span class="hljs-attr">url:</span> <span class="hljs-string">https://www.apache.org/licenses/LICENSE-2.0.html</span>
<span class="hljs-attr">version:</span> <span class="hljs-number">1.0</span><span class="hljs-number">.1</span>
</code></pre>
</section></section><section><h3>Contact Object</h3>
<p>Contact information for the exposed API.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="contactName"> </a>name</td>
<td style="text-align:center"><code>string</code></td>
<td>The identifying name of the contact person/organization.</td>
</tr>
<tr>
<td><a id="contactUrl"> </a>url</td>
<td style="text-align:center"><code>string</code></td>
<td>The URL pointing to the contact information. This MUST be in the form of a URL.</td>
</tr>
<tr>
<td><a id="contactEmail"> </a>email</td>
<td style="text-align:center"><code>string</code></td>
<td>The email address of the contact person/organization. This MUST be in the form of an email address.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section><section><h4>Contact Object Example</h4>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"API Support"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://www.example.com/support"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"email"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"[email protected]"</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">name:</span> <span class="hljs-string">API</span> <span class="hljs-string">Support</span>
<span class="hljs-attr">url:</span> <span class="hljs-string">https://www.example.com/support</span>
<span class="hljs-attr">email:</span> <span class="hljs-string">[email protected]</span>
</code></pre>
</section></section><section><h3>License Object</h3>
<p>License information for the exposed API.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="licenseName"> </a>name</td>
<td style="text-align:center"><code>string</code></td>
<td><strong>REQUIRED</strong>. The license name used for the API.</td>
</tr>
<tr>
<td><a id="licenseIdentifier"> </a>identifier</td>
<td style="text-align:center"><code>string</code></td>
<td>An <a href="https://spdx.org/licenses/">SPDX</a> license expression for the API. The <code>identifier</code> field is mutually exclusive of the <code>url</code> field.</td>
</tr>
<tr>
<td><a id="licenseUrl"> </a>url</td>
<td style="text-align:center"><code>string</code></td>
<td>A URL to the license used for the API. This MUST be in the form of a URL. The <code>url</code> field is mutually exclusive of the <code>identifier</code> field.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section><section><h4>License Object Example</h4>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Apache 2.0"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"identifier"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Apache-2.0"</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">name:</span> <span class="hljs-string">Apache</span> <span class="hljs-number">2.0</span>
<span class="hljs-attr">identifier:</span> <span class="hljs-string">Apache-2.0</span>
</code></pre>
</section></section><section><h3>Server Object</h3>
<p>An object representing a Server.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="serverUrl"> </a>url</td>
<td style="text-align:center"><code>string</code></td>
<td><strong>REQUIRED</strong>. A URL to the target host. This URL supports Server Variables and MAY be relative, to indicate that the host location is relative to the location where the OpenAPI document is being served. Variable substitutions will be made when a variable is named in <code>{</code>brackets<code>}</code>.</td>
</tr>
<tr>
<td><a id="serverDescription"> </a>description</td>
<td style="text-align:center"><code>string</code></td>
<td>An optional string describing the host designated by the URL. <a href="https://spec.commonmark.org/">CommonMark syntax</a> MAY be used for rich text representation.</td>
</tr>
<tr>
<td><a id="serverVariables"> </a>variables</td>
<td style="text-align:center">Map[<code>string</code>, <a href="#server-variable-object">Server Variable Object</a>]</td>
<td>A map between a variable name and its value. The value is used for substitution in the server’s URL template.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section><section><h4>Server Object Example</h4>
<p>A single server would be described as:</p>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://development.gigantic-server.com/v1"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Development server"</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">url:</span> <span class="hljs-string">https://development.gigantic-server.com/v1</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Development</span> <span class="hljs-string">server</span>
</code></pre>
<p>The following shows how multiple servers can be described, for example, at the OpenAPI Object’s <a href="#oasServers"><code>servers</code></a>:</p>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"servers"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://development.gigantic-server.com/v1"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Development server"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://staging.gigantic-server.com/v1"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Staging server"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://api.gigantic-server.com/v1"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Production server"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">]</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">servers:</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">url:</span> <span class="hljs-string">https://development.gigantic-server.com/v1</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Development</span> <span class="hljs-string">server</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">url:</span> <span class="hljs-string">https://staging.gigantic-server.com/v1</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Staging</span> <span class="hljs-string">server</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">url:</span> <span class="hljs-string">https://api.gigantic-server.com/v1</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Production</span> <span class="hljs-string">server</span>
</code></pre>
<p>The following shows how variables can be used for a server configuration:</p>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"servers"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"url"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://{username}.gigantic-server.com:{port}/{basePath}"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"The production API server"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"variables"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"username"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"default"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"demo"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"this value is assigned by the service provider, in this example `gigantic-server.com`"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"port"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"enum"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span>
<span class="hljs-string">"8443"</span><span class="hljs-punctuation">,</span>
<span class="hljs-string">"443"</span>
<span class="hljs-punctuation">]</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"default"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"8443"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"basePath"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"default"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"v2"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">]</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">servers:</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">url:</span> <span class="hljs-string">https://{username}.gigantic-server.com:{port}/{basePath}</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">The</span> <span class="hljs-string">production</span> <span class="hljs-string">API</span> <span class="hljs-string">server</span>
<span class="hljs-attr">variables:</span>
<span class="hljs-attr">username:</span>
<span class="hljs-comment"># note! no enum here means it is an open value</span>
<span class="hljs-attr">default:</span> <span class="hljs-string">demo</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">this</span> <span class="hljs-string">value</span> <span class="hljs-string">is</span> <span class="hljs-string">assigned</span> <span class="hljs-string">by</span> <span class="hljs-string">the</span> <span class="hljs-string">service</span> <span class="hljs-string">provider,</span> <span class="hljs-string">in</span> <span class="hljs-string">this</span> <span class="hljs-string">example</span> <span class="hljs-string">`gigantic-server.com`</span>
<span class="hljs-attr">port:</span>
<span class="hljs-attr">enum:</span>
<span class="hljs-bullet">-</span> <span class="hljs-string">'8443'</span>
<span class="hljs-bullet">-</span> <span class="hljs-string">'443'</span>
<span class="hljs-attr">default:</span> <span class="hljs-string">'8443'</span>
<span class="hljs-attr">basePath:</span>
<span class="hljs-comment"># open meaning there is the opportunity to use special base paths as assigned by the provider, default is `v2`</span>
<span class="hljs-attr">default:</span> <span class="hljs-string">v2</span>
</code></pre>
</section></section><section><h3>Server Variable Object</h3>
<p>An object representing a Server Variable for server URL template substitution.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="serverVariableEnum"> </a>enum</td>
<td style="text-align:center">[<code>string</code>]</td>
<td>An enumeration of string values to be used if the substitution options are from a limited set. The array MUST NOT be empty.</td>
</tr>
<tr>
<td><a id="serverVariableDefault"> </a>default</td>
<td style="text-align:center"><code>string</code></td>
<td><strong>REQUIRED</strong>. The default value to use for substitution, which SHALL be sent if an alternate value is <em>not</em> supplied. Note this behavior is different than the <a href="#schema-object">Schema Object’s</a> treatment of default values, because in those cases parameter values are optional. If the <a href="#serverVariableEnum"><code>enum</code></a> is defined, the value MUST exist in the enum’s values.</td>
</tr>
<tr>
<td><a id="serverVariableDescription"> </a>description</td>
<td style="text-align:center"><code>string</code></td>
<td>An optional description for the server variable. <a href="https://spec.commonmark.org/">CommonMark syntax</a> MAY be used for rich text representation.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section></section><section><h3>Components Object</h3>
<p>Holds a set of reusable objects for different aspects of the OAS.
All objects defined within the components object will have no effect on the API unless they are explicitly referenced from properties outside the components object.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:left">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="componentsSchemas"> </a> schemas</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#schema-object">Schema Object</a>]</td>
<td>An object to hold reusable <a href="#schema-object">Schema Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsResponses"> </a> responses</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#response-object">Response Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#response-object">Response Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsParameters"> </a> parameters</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#parameter-object">Parameter Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#parameter-object">Parameter Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsExamples"> </a> examples</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#example-object">Example Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#example-object">Example Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsRequestBodies"> </a> requestBodies</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#request-body-object">Request Body Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#request-body-object">Request Body Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsHeaders"> </a> headers</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#header-object">Header Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#header-object">Header Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsSecuritySchemes"> </a> securitySchemes</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#security-scheme-object">Security Scheme Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#security-scheme-object">Security Scheme Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsLinks"> </a> links</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#link-object">Link Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#link-object">Link Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsCallbacks"> </a> callbacks</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#callback-object">Callback Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#callback-object">Callback Objects</a>.</td>
</tr>
<tr>
<td><a id="componentsPathItems"> </a> pathItems</td>
<td style="text-align:left">Map[<code>string</code>, <a href="#path-item-object">Path Item Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>An object to hold reusable <a href="#path-item-object">Path Item Object</a>.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
<p>All the fixed fields declared above are objects that MUST use keys that match the regular expression: <code>^[a-zA-Z0-9\.\-_]+$</code>.</p>
<p>Field Name Examples:</p>
<pre class="highlight "><code>
User
User_1
User_Name
user-name
my.org.User
</code></pre>
</section><section><h4>Components Object Example</h4>
<pre class="nohighlight"><code>
<span class="hljs-attr">"components"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"schemas"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"GeneralError"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"object"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"properties"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"code"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"integer"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"format"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"int32"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"message"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"string"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"Category"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"object"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"properties"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"id"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"integer"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"format"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"int64"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"string"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"Tag"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"object"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"properties"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"id"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"integer"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"format"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"int64"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"string"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"parameters"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"skipParam"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"skip"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"in"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"query"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"number of items to skip"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"required"</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">true</span></span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"schema"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"integer"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"format"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"int32"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"limitParam"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"limit"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"in"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"query"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"max records to return"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"required"</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">true</span></span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"schema"</span> <span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"integer"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"format"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"int32"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"responses"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"NotFound"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Entity not found."</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"IllegalInput"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Illegal input for operation."</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"GeneralError"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"General Error"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"content"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"application/json"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"schema"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"$ref"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#/components/schemas/GeneralError"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"securitySchemes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"api_key"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"apiKey"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"api_key"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"in"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"header"</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"petstore_auth"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"oauth2"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"flows"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"implicit"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"authorizationUrl"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"https://example.org/api/oauth/dialog"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"scopes"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"write:pets"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"modify pets in your account"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"read:pets"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"read your pets"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">components:</span>
<span class="hljs-attr">schemas:</span>
<span class="hljs-attr">GeneralError:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">object</span>
<span class="hljs-attr">properties:</span>
<span class="hljs-attr">code:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">integer</span>
<span class="hljs-attr">format:</span> <span class="hljs-string">int32</span>
<span class="hljs-attr">message:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">string</span>
<span class="hljs-attr">Category:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">object</span>
<span class="hljs-attr">properties:</span>
<span class="hljs-attr">id:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">integer</span>
<span class="hljs-attr">format:</span> <span class="hljs-string">int64</span>
<span class="hljs-attr">name:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">string</span>
<span class="hljs-attr">Tag:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">object</span>
<span class="hljs-attr">properties:</span>
<span class="hljs-attr">id:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">integer</span>
<span class="hljs-attr">format:</span> <span class="hljs-string">int64</span>
<span class="hljs-attr">name:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">string</span>
<span class="hljs-attr">parameters:</span>
<span class="hljs-attr">skipParam:</span>
<span class="hljs-attr">name:</span> <span class="hljs-string">skip</span>
<span class="hljs-attr">in:</span> <span class="hljs-string">query</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">number</span> <span class="hljs-string">of</span> <span class="hljs-string">items</span> <span class="hljs-string">to</span> <span class="hljs-string">skip</span>
<span class="hljs-attr">required:</span> <span class="hljs-literal">true</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">integer</span>
<span class="hljs-attr">format:</span> <span class="hljs-string">int32</span>
<span class="hljs-attr">limitParam:</span>
<span class="hljs-attr">name:</span> <span class="hljs-string">limit</span>
<span class="hljs-attr">in:</span> <span class="hljs-string">query</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">max</span> <span class="hljs-string">records</span> <span class="hljs-string">to</span> <span class="hljs-string">return</span>
<span class="hljs-attr">required:</span> <span class="hljs-literal">true</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">integer</span>
<span class="hljs-attr">format:</span> <span class="hljs-string">int32</span>
<span class="hljs-attr">responses:</span>
<span class="hljs-attr">NotFound:</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Entity</span> <span class="hljs-string">not</span> <span class="hljs-string">found.</span>
<span class="hljs-attr">IllegalInput:</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Illegal</span> <span class="hljs-string">input</span> <span class="hljs-string">for</span> <span class="hljs-string">operation.</span>
<span class="hljs-attr">GeneralError:</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">General</span> <span class="hljs-string">Error</span>
<span class="hljs-attr">content:</span>
<span class="hljs-attr">application/json:</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-string">$ref:</span> <span class="hljs-string">'#/components/schemas/GeneralError'</span>
<span class="hljs-attr">securitySchemes:</span>
<span class="hljs-attr">api_key:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">apiKey</span>
<span class="hljs-attr">name:</span> <span class="hljs-string">api_key</span>
<span class="hljs-attr">in:</span> <span class="hljs-string">header</span>
<span class="hljs-attr">petstore_auth:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">oauth2</span>
<span class="hljs-attr">flows:</span>
<span class="hljs-attr">implicit:</span>
<span class="hljs-attr">authorizationUrl:</span> <span class="hljs-string">https://example.org/api/oauth/dialog</span>
<span class="hljs-attr">scopes:</span>
<span class="hljs-attr">write:pets:</span> <span class="hljs-string">modify</span> <span class="hljs-string">pets</span> <span class="hljs-string">in</span> <span class="hljs-string">your</span> <span class="hljs-string">account</span>
<span class="hljs-attr">read:pets:</span> <span class="hljs-string">read</span> <span class="hljs-string">your</span> <span class="hljs-string">pets</span>
</code></pre>
</section></section><section><h3>Paths Object</h3>
<p>Holds the relative paths to the individual endpoints and their operations.
The path is appended to the URL from the <a href="#server-object"><code>Server Object</code></a> in order to construct the full URL. The Paths MAY be empty, due to <a href="#security-filtering">Access Control List (ACL) constraints</a>.</p>
<section><h4>Patterned Fields</h4>
<table>
<thead>
<tr>
<th>Field Pattern</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="pathsPath"> </a>/{path}</td>
<td style="text-align:center"><a href="#path-item-object">Path Item Object</a></td>
<td>A relative path to an individual endpoint. The field name MUST begin with a forward slash (<code>/</code>). The path is <strong>appended</strong> (no relative URL resolution) to the expanded URL from the <a href="#server-object"><code>Server Object</code></a>’s <code>url</code> field in order to construct the full URL. <a href="#path-templating">Path templating</a> is allowed. When matching URLs, concrete (non-templated) paths would be matched before their templated counterparts. Templated paths with the same hierarchy but different templated names MUST NOT exist as they are identical. In case of ambiguous matching, it’s up to the tooling to decide which one to use.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section><section><h4>Path Templating Matching</h4>
<p>Assuming the following paths, the concrete definition, <code>/pets/mine</code>, will be matched first if used:</p>
<pre class="highlight "><code>
/pets/{petId}
/pets/mine
</code></pre>
<p>The following paths are considered identical and invalid:</p>
<pre class="highlight "><code>
/pets/{petId}
/pets/{name}
</code></pre>
<p>The following may lead to ambiguous resolution:</p>
<pre class="highlight "><code>
/{entity}/me
/books/{id}
</code></pre>
</section><section><h4>Paths Object Example</h4>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"/pets"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"get"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Returns all pets from the system that the user has access to"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"responses"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"200"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"A list of pets."</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"content"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"application/json"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"schema"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"array"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"items"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"$ref"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#/components/schemas/pet"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-string">/pets:</span>
<span class="hljs-attr">get:</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Returns</span> <span class="hljs-string">all</span> <span class="hljs-string">pets</span> <span class="hljs-string">from</span> <span class="hljs-string">the</span> <span class="hljs-string">system</span> <span class="hljs-string">that</span> <span class="hljs-string">the</span> <span class="hljs-string">user</span> <span class="hljs-string">has</span> <span class="hljs-string">access</span> <span class="hljs-string">to</span>
<span class="hljs-attr">responses:</span>
<span class="hljs-attr">'200':</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">A</span> <span class="hljs-string">list</span> <span class="hljs-string">of</span> <span class="hljs-string">pets.</span>
<span class="hljs-attr">content:</span>
<span class="hljs-attr">application/json:</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">array</span>
<span class="hljs-attr">items:</span>
<span class="hljs-string">$ref:</span> <span class="hljs-string">'#/components/schemas/pet'</span>
</code></pre>
</section></section><section><h3>Path Item Object</h3>
<p>Describes the operations available on a single path.
A Path Item MAY be empty, due to <a href="#security-filtering">ACL constraints</a>.
The path itself is still exposed to the documentation viewer but they will not know which operations and parameters are available.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a id="pathItemRef"> </a>$ref</td>
<td style="text-align:center"><code>string</code></td>
<td>Allows for a referenced definition of this path item. The referenced structure MUST be in the form of a <a href="#path-item-object">Path Item Object</a>. In case a Path Item Object field appears both in the defined object and the referenced object, the behavior is undefined. See the rules for resolving <a href="#relative-references-in-uris">Relative References</a>.</td>
</tr>
<tr>
<td><a id="pathItemSummary"> </a>summary</td>
<td style="text-align:center"><code>string</code></td>
<td>An optional, string summary, intended to apply to all operations in this path.</td>
</tr>
<tr>
<td><a id="pathItemDescription"> </a>description</td>
<td style="text-align:center"><code>string</code></td>
<td>An optional, string description, intended to apply to all operations in this path. <a href="https://spec.commonmark.org/">CommonMark syntax</a> MAY be used for rich text representation.</td>
</tr>
<tr>
<td><a id="pathItemGet"> </a>get</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a GET operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemPut"> </a>put</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a PUT operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemPost"> </a>post</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a POST operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemDelete"> </a>delete</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a DELETE operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemOptions"> </a>options</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a OPTIONS operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemHead"> </a>head</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a HEAD operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemPatch"> </a>patch</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a PATCH operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemTrace"> </a>trace</td>
<td style="text-align:center"><a href="#operation-object">Operation Object</a></td>
<td>A definition of a TRACE operation on this path.</td>
</tr>
<tr>
<td><a id="pathItemServers"> </a>servers</td>
<td style="text-align:center">[<a href="#server-object">Server Object</a>]</td>
<td>An alternative <code>server</code> array to service all operations in this path.</td>
</tr>
<tr>
<td><a id="pathItemParameters"> </a>parameters</td>
<td style="text-align:center">[<a href="#parameter-object">Parameter Object</a> | <a href="#reference-object">Reference Object</a>]</td>
<td>A list of parameters that are applicable for all the operations described under this path. These parameters can be overridden at the operation level, but cannot be removed there. The list MUST NOT include duplicated parameters. A unique parameter is defined by a combination of a <a href="#parameterName">name</a> and <a href="#parameterIn">location</a>. The list can use the <a href="#reference-object">Reference Object</a> to link to parameters that are defined at the <a href="#componentsParameters">OpenAPI Object’s components/parameters</a>.</td>
</tr>
</tbody>
</table>
<p>This object MAY be extended with <a href="#specification-extensions">Specification Extensions</a>.</p>
</section><section><h4>Path Item Object Example</h4>
<pre class="nohighlight"><code>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"get"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Returns pets based on ID"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"summary"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"Find pets by ID"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"operationId"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"getPetsById"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"responses"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"200"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"pet response"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"content"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"*/*"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"schema"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"array"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"items"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"$ref"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#/components/schemas/Pet"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"default"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"error payload"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"content"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"text/html"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"schema"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"$ref"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#/components/schemas/ErrorModel"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"parameters"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">[</span>
<span class="hljs-punctuation">{</span>
<span class="hljs-attr">"name"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"id"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"in"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"path"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"description"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"ID of pet to use"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"required"</span><span class="hljs-punctuation">:</span> <span class="hljs-literal"><span class="hljs-keyword">true</span></span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"schema"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"array"</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"items"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span>
<span class="hljs-attr">"type"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"string"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span>
<span class="hljs-attr">"style"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"simple"</span>
<span class="hljs-punctuation">}</span>
<span class="hljs-punctuation">]</span>
<span class="hljs-punctuation">}</span>
</code></pre>
<pre class="nohighlight"><code>
<span class="hljs-attr">get:</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">Returns</span> <span class="hljs-string">pets</span> <span class="hljs-string">based</span> <span class="hljs-string">on</span> <span class="hljs-string">ID</span>
<span class="hljs-attr">summary:</span> <span class="hljs-string">Find</span> <span class="hljs-string">pets</span> <span class="hljs-string">by</span> <span class="hljs-string">ID</span>
<span class="hljs-attr">operationId:</span> <span class="hljs-string">getPetsById</span>
<span class="hljs-attr">responses:</span>
<span class="hljs-attr">'200':</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">pet</span> <span class="hljs-string">response</span>
<span class="hljs-attr">content:</span>
<span class="hljs-string">'*/*'</span> <span class="hljs-string">:</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">array</span>
<span class="hljs-attr">items:</span>
<span class="hljs-string">$ref:</span> <span class="hljs-string">'#/components/schemas/Pet'</span>
<span class="hljs-attr">default:</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">error</span> <span class="hljs-string">payload</span>
<span class="hljs-attr">content:</span>
<span class="hljs-attr">'text/html':</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-string">$ref:</span> <span class="hljs-string">'#/components/schemas/ErrorModel'</span>
<span class="hljs-attr">parameters:</span>
<span class="hljs-bullet">-</span> <span class="hljs-attr">name:</span> <span class="hljs-string">id</span>
<span class="hljs-attr">in:</span> <span class="hljs-string">path</span>
<span class="hljs-attr">description:</span> <span class="hljs-string">ID</span> <span class="hljs-string">of</span> <span class="hljs-string">pet</span> <span class="hljs-string">to</span> <span class="hljs-string">use</span>
<span class="hljs-attr">required:</span> <span class="hljs-literal">true</span>
<span class="hljs-attr">schema:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">array</span>
<span class="hljs-attr">items:</span>
<span class="hljs-attr">type:</span> <span class="hljs-string">string</span>
<span class="hljs-attr">style:</span> <span class="hljs-string">simple</span>
</code></pre>
</section></section><section><h3>Operation Object</h3>
<p>Describes a single API operation on a path.</p>
<section><h4>Fixed Fields</h4>
<table>
<thead>
<tr>
<th>Field Name</th>
<th style="text-align:center">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>