invalid_grant temporary error

[Jan Đonny Záruba]

Hello,

Yesterday, 27th August, for several hours seems that there was some issue on Google side as all already existing refresh tokens stopped working for seemingly no reason and reauthorization for several hours didn't make any change. Suddenly everything started working again. 

Are you aware of any issue on your side regarding this issue?

There were two error messages returned from Google:

{  "error": {  "code": 401,  "message": "Request had invalid authentication credentials. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.",  "status": "UNAUTHENTICATED" }

{  "error": "invalid_grant",  "error_description": "Bad Request" }

[Google Ads API Forum Advisor]

Hi Jan,

Thank you for reaching out to us with your question. The invalid grant error occurs because of a mismatch of credentials and tokens. We would recommend clearing the cache and using the newly generated refresh token.

Regards,

William Pescherine Google Ads API Team

 

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[Jan Đonny Záruba]

Dear William,

I am aware when this error happens and this wasn't that case. Tokens which were working just fine suddenly stopped working (without any change on our side!) and new ones couldn't be generated for few hours. After those few hours everything went back to normal. 

There is no cache involved from our side.

We're trying to find out why this happened. Was there any outage/issue on your side?

Regards,

Jan

[Mhmoudahmdmohmmd homydt]

653

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[Google Ads API Forum Advisor]

Hi Jan,

Thank you for your follow up. I work with William and allow me to assist you as well.

Regarding outages, our team is not aware of any that may have caused issues related to authentication. For this, I would recommend that you reach out to the Google API Console support team, via this link, for further information on what may have caused your credentials to fail.

Also, if you haven't yet, you can refer to this documentation for information on what may cause your fresh tokens to become invalid.

Best regards,

Peter Laurence Napa Oliquino Google Ads API Team

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[Mhmoudahmdmohmmd homydt]

653