Google API: Not a valid origin for the client: url has not been whitelisted for client ID “ID”

Question

I need help. I don\'t found an answer to my question. I tried googling and I tried asking on other sides but I never found an answer.

I\'m working with the google API

Answer 1

As many have indicated here, this is just a browser caching issue. No need to create a new key, or even clear the cache. Just try again on a new browser incognito (anonymous) window and it should work fine.