API Connector Oauth2 Custom token - working example?

Hi All -

I have my Oauth2 token request and API working in Postman, but can not get it to work in the API Connector. I am assuming I am missing something, like where do I define what the return of the bearer token is, or is that just a standard?

I would love a screen shot of a working OAuth2 via Custom token looks like!

Here is the Postman Oauth2 screen that works:

Thanks for the help in advance

Experiencing similar issue, would appreciate any tips. The only difference that I have Send as Body for Client authenticaiton.

Screenshot of what im trying, id and secret censored.

In most case, client credentials will use url form and not json. Try, in body, grant_type=client_credentials&client_id=… and so on for all parameters. If this doesn’t work, you can try to use in query string in url. Finally, be sure, if needed, to add Authorization Basic in header for token call. This is often requested for this type of oAuth2