invalid_client

Source: Hydra (RFC 6749)

HTTP: 401

Summary

Client authentication failed.

When this fires

Token endpoint received wrong client credentials.

Common causes

• Wrong client_id or client_secret
• Client not registered

Fix

Verify credentials in Athena → OAuth2 Clients.

Source code

Generated from the platform's error catalog. To find emit sites: grep -r "invalid_client" ../<repo>/src.