Error: invalid_client no registered origin

Question

I have installed the Google Drive Realtime API sample files on my web server, following these instructions, including generating a client_id in the Cloud Console and inserti

Answer 1

UPDATE: I changed accepted answer to Johno Scott instead as he refers to the newer version of the console, whereas mine was only true for the older version.

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I solved it. I needed to enter a WEB ORIGIN on the OAuth 2.0 Client ID screen. Specifically, it had to be the exact path/url of the index.html file, otherwise it defaults to the root domain which doesn't work.

This screenshot shows you exactly where it needs to be entered:

Answer 2

In the new Google API Console, configure your OAuth2.0 authorized origins from

Your Project > APIs & auth > Credentials

You might need to add a new Client ID specifically for a web application (I did because the default was for AppEngine)

Create Client ID > Web Application > Authorized Javascript origins

If you are running on a local dev server, just add the exact URL such as :

http://127.0.0.1:9000