post
https://welcome-us.ukg.net/oauth/token
This endpoint retrieves an access token using the Client Credentials Grant flow.
Requires a valid client_id and client_secret.
Instead of scope, this flow uses an audience parameter to request an access token for a specific API.
On the right side of the page under URL, click Base URL to open a drop-down menu with a full list of regional servers and test servers. Select the desired server from the list to apply the associated URL to the request.
400Invalid request (e.g., missing or incorrect parameters).
401Authentication failed due to invalid credentials.