README.md

sigV4Client

A standalone client for signing API Gateway requests for Signature Version 4. For more details, follow the steps from this chapter in the Serverless Stack tutorial.

How to use

You need crypto-js installed.

Copy sigV4Client.js to your project.

Create a new sigV4Client instance.

const signedRequest = sigV4Client
  .newClient({
    accessKey: AWS.config.credentials.accessKeyId,
    secretKey: AWS.config.credentials.secretAccessKey,
    sessionToken: AWS.config.credentials.sessionToken,
    region: YOUR_API_GATEWAY_REGION,
    endpoint: YOUR_API_GATEWAY_URL
  })
  .signRequest({
    method,
    path,
    headers,
    queryParams,
    body
  });

And make the request.

await fetch(signedRequest.url, {
  headers: signedRequest.headers,
  method,
  body
});