Independent and unofficial. This Python project is inspired by Better Auth and is not affiliated with, maintained by, endorsed by, or sponsored by the Better Auth project or its maintainers.

BETTER-AUTH.

invalid_code

The provided authentication code is invalid or expired.

This error occurs when the authentication code is invalid, expired, or cannot be verified.

How to fix

  • Restart the authentication flow to generate a new code
  • Ensure the code is used only once and within its valid time window
  • Verify that the correct code is being sent to the callback endpoint
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How to fix