import Telnyx from 'telnyx';

const client = new Telnyx();

const response = await client.wellKnown.retrieveAuthorizationServerMetadata();

console.log(response.authorization_endpoint);

{
  "issuer": "<string>",
  "token_endpoint": "<string>",
  "introspection_endpoint": "<string>",
  "jwks_uri": "<string>",
  "registration_endpoint": "<string>",
  "authorization_endpoint": "<string>",
  "grant_types_supported": [
    "<string>"
  ],
  "code_challenge_methods_supported": [
    "<string>"
  ],
  "response_types_supported": [
    "<string>"
  ],
  "token_endpoint_auth_methods_supported": [
    "<string>"
  ],
  "scopes_supported": [
    "admin"
  ]
}