Hi,
Thank you for reaching out to Google Ads API Support.
I understand your concern is related to no data returned from the Google Keyword Planner. To assist you further, could you please provide us with complete API logs (request and response logs with request-id and request header) generated at your end.
If you are using a client library and haven't enabled the logging yet, I would request you to enable logging for the specific client library that you are using. You can refer to the guides Java, .Net, PHP, Python, Ruby or Perl to enable logging at your end. For REST interface requests, you can enable logging via the curl command by using the -i flag.
Reply privately to the author option, or direct private reply to this email.
Thanks & Regards,
Google Ads API team
Additionally, as requested earlier, please share the below details :