Failed to request access token for Fusion Tables API with Google Service Account
问题 I have been successfully using Google API (via HTTP/REST, as well as using the .NET client library) with a Google Service Account to access the files in Google Drive. Recently, I am exploring the Fusion Tables. I am able to use the API with user authorization via a web application. However, when I try to access it using Google Service Account under the same project, it failed with the below error, whenever I have https://www.googleapis.com/auth/fusiontables in the scope: https:// www