---
title: "Check-in registered guests to classes"
method: PUT
path: "/classes/{class_id}/registrations/{registration_id}/sign_in"
---

# Check-in registered guests to classes

`PUT /classes/{class_id}/registrations/{registration_id}/sign_in`

Use this API to check-in registered guests to the classes.

You must specify class_id and registration_id to check-in the guest to the class.

## Path parameters

- `class_id` integer, required
- `registration_id` integer, required

## Response `200`

200

- object
  - `error` unknown

## Other responses

- `400` — 400

---

[API](https://skmtc.net/zenoti/apis/zenoti-authentication.md) · [All operations](https://skmtc.net/zenoti/apis/zenoti-authentication/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/zenoti/zenoti-authentication/versions/e628f892391a/schema)