SMS Logs

Answer one question: what happened to this Clerk-delivered SMS? The sms.* Application Logs record the delivery lifecycle of every SMS Clerk sends on an instance's behalf — phone verification codes, OTPs, password-reset codes — so you can tell a stuck sign-up from a carrier rejection from a Clerk-side block without guessing.

Read them two ways: in the Clerk Dashboard → Application Logs (filter to the sms.* event types), or programmatically over the Backend API (GET /v1/logs) — the same data, scriptable for a repeatable investigation. They are delivery telemetry about end-user activity, not dashboard actions.

Querying the logs

The Backend API logs endpoints take a secret key (sk_*). The simplest caller is the Clerk CLI, which injects auth for you: