URL Encoder for OAuth Callbacks

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OAuth redirect_uri must be exactly encoded. One wrong character causes rejection.

Example

https://myapp.com/auth/callback?provider=google

Tips

  1. 1Must match registered URLs exactly.
  2. 2Encode full URL including params.
  3. 3Same encoding in both requests.

Frequently Asked Questions

invalid_redirect_uri?

Check exact match.

Encode state?

Yes, if special characters.

Wildcards?

Most providers don't support.