---
title: "Changes to Mark the alert as viewed, read, or unread"
method: POST
path: "/alerts/{id}/mark"
---

# Changes to Mark the alert as viewed, read, or unread

`POST /alerts/{id}/mark`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 7 revisions.

- **2026-03-18** `e271d0e41f6d` — 2 breaking, 1 warning, 5 info
- **2026-02-03** `fc0a40f3b859` — 2 breaking, 4 warning, 4 info

## Changes

- **2026-03-18** `e271d0e41f6d` — 2 breaking, 1 warning, 5 info
  - removed the media type `application/json` from the request body
  - the `success` response's property type/format changed from `string`/`` to `boolean`/`` for status `200`
  - deleted the `path` request parameter `id`
  - api operation id `post_alerts_id_mark` removed and replaced with `postAlertsIdMark`
  - the endpoint scheme security `XF-Api-Key` was added to the API
  - the endpoint scheme security `XF-OAuth2` was added to the API
  - added the new optional `header` request parameter `XF-Api-User` to all path's operations
  - added the new optional `query` request parameter `api_bypass_permissions` to all path's operations
- **2026-02-03** `fc0a40f3b859` — 2 breaking, 4 warning, 4 info
  - added the new path request parameter `id`
  - the `success` response's property type/format changed from `boolean`/`` to `string`/`` for status `200`
  - the optional response header `XF-Latest-Api-Version` removed for the status `200`
  - the optional response header `XF-Request-User` removed for the status `200`
  - the optional response header `XF-Request-User-Extras` removed for the status `200`
  - the optional response header `XF-Used-Api-Version` removed for the status `200`
  - api operation id `postAlertsIdMark` removed and replaced with `post_alerts_id_mark`
  - the endpoint scheme security `XF-Api-Key` was removed from the API
  - the endpoint scheme security `XF-OAuth2` was removed from the API
  - added the media type `application/json` to the request body

---

[Operation](https://skmtc.dev/xenforo-ltd/apis/xenforo-api/docs/alerts/:id/mark/post.md) · [API](https://skmtc.dev/xenforo-ltd/apis/xenforo-api.md) · [Page](https://skmtc.dev/xenforo-ltd/apis/xenforo-api/changes/alerts/:id/mark/post)