Hi Simone,
Thanks for reaching out to the Google Ads API Team. I hope you are doing well today.
With regard to your concern, it appears that you've encountered the USER_PERMISSION_DENIED error which occurs when the authorized customer does not have access to the operating customer.
This is an authorization error (https://developers.google.com/google-ads/api/docs/best-practices/common-errors#authorizationerror) and its common cause is when authenticating as a user with access to a manager account but not specifying login-customer-id in the request. It also occurs when the OAuth2 credentials (https://developers.google.com/google-ads/api/docs/oauth/cloud-project) you are using were generated by a user / email address that does not have access (https://support.google.com/google-ads/answer/9978556?visit_id=638028230738600037-122357065&rd=1) to the account (customer_id) specified in your request. You can manage user access by referring to this article (https://support.google.com/google-ads/answer/6372672).
If the issue persists even after doing the above details, for our team to further compare, investigate, and validate why you are encountering issues, can you provide more information?
If you haven't enabled logging yet, using REST interface requests, you can enable logging via the curl command by using the -i flag. This will cause the tool to include the HTTP response headers in the output.
You can provide these via the Reply privately to author option. If this option is not available, then send it instead on this email address googleadsa...@google.com.
Reference links:
Have a great day.
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Google Ads API Team |