Error exchange of client_id OAuth

I connected to OAuth. It returns me the client_id. when trying to make the exchange of the client_id by the token it returns me this error

I am making the connection via JSON.

As explained here:

statusCode = 400
content = {“success”: false, “message”: “Invalid client: can not retrieve client credentials”}

what should I do?

Can you share some more details of your request @matheus? It’s hard to tell what exactly it could be without more details.