Clerk Emulator
Stateful Clerk emulator for the Backend API, OAuth and OIDC sign-in, JWKS, sessions, and organization management.
Create an instance
Each instance is isolated, stateful, and addressable at its own host. The server generates an unguessable name; an optional {"instance":"<prefix>"} body adds a readable prefix.
curl -s -X POST https://clerk.emulators.dev/_emulate/instancesHosted deployments create instances lazily when the returned URL is first used. The instance URL is a capability: anyone who has it can read and modify the instance, so save the returned URLs. Never store real secrets in an emulator.
Sample instance host: https://clerk.your-instance.emulators.dev
Surfaces
| Surface | Status | Path |
|---|---|---|
| Backend API | partial | /v1 |
| OAuth and OIDC | supported | /oauth |
| OpenID Connect | supported | /.well-known |
Control API
manifest | quickstart | specs | coverage | connections