---
title: "Changes to Update an event registration. Roles: admin, self, or group member."
method: PUT
path: "/api/eventRegistrations/{eventRegistrationId}"
---

# Changes to Update an event registration. Roles: admin, self, or group member.

`PUT /api/eventRegistrations/{eventRegistrationId}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 9 revisions.

- **2026-10-02** `78cbb49778b6`: 1 warning
- **2026-09-02** `870f28ba2607`: 5 info

## Changes

- **2026-10-02** `78cbb49778b6`: 1 warning
  - removed the optional property `registration/productPurchase/purchase/net` from the response with the `200` status
- **2026-09-02** `870f28ba2607`: 5 info
  - added the optional property `error/errorId` to the response with the `400` status
  - added the optional property `error/errorId` to the response with the `401` status
  - added the optional property `error/errorId` to the response with the `403` status
  - added the optional property `error/errorId` to the response with the `404` status
  - added the optional property `error/errorId` to the response with the `500` status

---

[Operation](https://skmtc.dev/mobilecoach/apis/untitled-api/docs/api/eventRegistrations/:eventRegistrationId/put.md) - [API](https://skmtc.dev/mobilecoach/apis/untitled-api.md) - [Page](https://skmtc.dev/mobilecoach/apis/untitled-api/changes/api/eventRegistrations/:eventRegistrationId/put)