Google Contacts API responds with “countryBlock” error

Question

I have an app that imports contacts from Google Contacts. The app worked fine, until this morning when we changed the API \'owner\'. It was set up under my personal account

Answer 1

check out this thread, which is similar. It says the issue is caused by contacting google API central core with http: requests (not https:)

Intermittent 403 "This service is not available from your country" Error for execution API