It is mentioned in oauth documentation at https://developer.uber.com/v1/auth/ that access token remains valid for 30 days. But I have started getting invalid credential error within a week. The exact error I am getting is:-
{"message":"Invalid OAuth 2.0 credentials provided.","code":"unauthorized"}
Trying refresh token after this error gives invalid grant error whereas 'refresh_token' is valid grant type.
{"error": "invalid_grant"}
Anyone facing similar issues?