Generating API tokens with auth0-js

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Hi @philip.colmer,

Welcome to the Community!

You can request a token for any API you have registered with Auth0 by passing the API identifier (this is usually a URI) as the audience claim in the token.

For example:

const auth = isBrowser
  ? new auth0.WebAuth({
      domain: process.env.AUTH0_DOMAIN,
      clientID: process.env.AUTH0_CLIENTID,
      redirectUri: process.env.AUTH0_CALLBACK,
      responseType: "token id_token",
      scope: "openid profile email",
      //ADD THIS LINE BELOW
      audience: "{YOUR API IDENTIFIER}",
    })
  : {}

You should receive a JWT back. If you decode it on jwt.io then you should see the audience claim with the identifier you passed.

Here is a doc about how to set up an API:

If you want to request a new token intended for your API, you can add the audience to the checkSession call like this:
https://auth0.com/docs/libraries/auth0js/v9#using-checksession-to-acquire-new-tokens

Let me know if you have any questions,
Dan