Google OAuth 2 authorization - Error: redirect_uri_mismatch

Question

On the website https://code.google.com/apis/console I have registered my application, set up generated Client ID: and Client Secret to my a

Answer 1

Checklist:

• http or https?
• & or &?
• trailing slash(/) or open ?
• (CMD/CTRL)+F, search for the exact match in the credential page. If not found then search for the missing one.
• Wait until google refreshes it. May happen in each half an hour if you are changing frequently or it may stay in the pool. For my case it was almost half an hour to take effect.