diff --git a/api/calls-api.ts b/api/calls-api.ts
index e1acd7d..aa7e72c 100644
--- a/api/calls-api.ts
+++ b/api/calls-api.ts
@@ -201,7 +201,7 @@ export const CallsApiAxiosParamCreator = function (configuration?: Configuration
          * @summary Update Call
          * @param {string} accountId Your Bandwidth Account ID.
          * @param {string} callId Programmable Voice API Call ID.
-         * @param {UpdateCall} updateCall JSON object containing information to redirect an existing call to a new BXML document
+         * @param {UpdateCall} updateCall JSON or BXML object containing information to redirect an existing call to a new BXML document
          * @param {*} [options] Override http request option.
          * @throws {RequiredError}
          */
@@ -355,7 +355,7 @@ export const CallsApiFp = function(configuration?: Configuration) {
          * @summary Update Call
          * @param {string} accountId Your Bandwidth Account ID.
          * @param {string} callId Programmable Voice API Call ID.
-         * @param {UpdateCall} updateCall JSON object containing information to redirect an existing call to a new BXML document
+         * @param {UpdateCall} updateCall JSON or BXML object containing information to redirect an existing call to a new BXML document
          * @param {*} [options] Override http request option.
          * @throws {RequiredError}
          */
@@ -434,7 +434,7 @@ export const CallsApiFactory = function (configuration?: Configuration, basePath
          * @summary Update Call
          * @param {string} accountId Your Bandwidth Account ID.
          * @param {string} callId Programmable Voice API Call ID.
-         * @param {UpdateCall} updateCall JSON object containing information to redirect an existing call to a new BXML document
+         * @param {UpdateCall} updateCall JSON or BXML object containing information to redirect an existing call to a new BXML document
          * @param {*} [options] Override http request option.
          * @throws {RequiredError}
          */
@@ -513,7 +513,7 @@ export class CallsApi extends BaseAPI {
      * @summary Update Call
      * @param {string} accountId Your Bandwidth Account ID.
      * @param {string} callId Programmable Voice API Call ID.
-     * @param {UpdateCall} updateCall JSON object containing information to redirect an existing call to a new BXML document
+     * @param {UpdateCall} updateCall JSON or BXML object containing information to redirect an existing call to a new BXML document
      * @param {*} [options] Override http request option.
      * @throws {RequiredError}
      * @memberof CallsApi
diff --git a/bandwidth.yml b/bandwidth.yml
index c4b1fb2..1361c83 100644
--- a/bandwidth.yml
+++ b/bandwidth.yml
@@ -5658,13 +5658,32 @@ components:
             $ref: '#/components/schemas/createCall'
     updateCallRequest:
       description: >-
-        JSON object containing information to redirect an existing call to a new
-        BXML document
+        JSON or BXML object containing information to redirect an existing call
+        to a new BXML document
       required: true
       content:
         application/json:
           schema:
             $ref: '#/components/schemas/updateCall'
+        application/xml:
+          schema:
+            type: string
+            description: A valid BXML document to replace the call's current BXML.
+          examples:
+            speakSentence:
+              summary: Speak Sentence
+              value: |-
+                <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+                <Bxml>
+                  <SpeakSentence>This is a test sentence.</SpeakSentence>
+                </Bxml>
+            redirectUrl:
+              summary: Redirect
+              value: |-
+                <?xml version=\"1.0\" encoding=\"UTF-8\"?>
+                <Bxml>
+                  <Redirect redirectUrl="https://test.example" redirectMethod="GET"/>
+                </Bxml>
     updateCallBxmlRequest:
       required: true
       content: