Driftwatch

Clerk / Clerk Backend API (2026-05-12) /

Behavioral

403 is now documented on /sign_in_tokens

What changed

An unhandled branch in your error handling.

Affects POST /sign_in_tokens.

403 is now documented

Who is affected

Code that reads POST /sign_in_tokens.

Before and after

WhereBeforeAfter
POST /sign_in_tokensabsent403

Based on Clerk’s published API specification. How severity is decided.