


Hi Sandeep,
Thank you for reaching out. Please find my response to your questions below:
The test accounts are with the “closed” status by default.
To make the process easier I would suggest you to use installed app or web flows instead of service accounts. OAuth2 installed application and web flows require user interaction only once, when access to the account is granted.
If you follow the steps in the above link to create the OAuth2 credentials using Installed Application Flow or the Web Application Flow, you should be able to avoid the error.
Make sure the configuration file is properly set up.
It might take some time for them to process your request. Please closely monitor your API contact email.
Please refer to this guide for more information on how to set up the OAuth2 credentials.
Thanks and regards,
Xiaoming, Google Ads API Team
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