---
title: "Changes to Update an alert"
method: PATCH
path: "/v0/projects/{project}/alerts/{alert}"
---

# Changes to Update an alert

`PATCH /v0/projects/{project}/alerts/{alert}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 194 revisions.

- **2026-09-23** `6b8d0bafd2dd`: 5 breaking, 2 warning, 4 info
- **2026-09-19** `4e91e95f3d45`: 1 info
- **2026-03-23** `1634d744359e`: 2 info
- **2026-02-26** `e6055a86dc91`: 1 info
- **2026-02-22** `b7250beffe09`: 1 info
- **2025-08-10** `c2d6b1d67c04`: 1 info
- **2025-08-09** `ca83201e45e6`: 4 breaking

## Changes

- **2026-09-23** `6b8d0bafd2dd`: 5 breaking, 2 warning, 4 info
  - the response property `metric` became nullable for the status `200`
  - the response property `metric` became optional for the status `200`
  - the `metric` response's property type changed from `object` to no type for status `200`
  - removed the required property `metric/uuid` from the response with the `200` status
  - removed the required property `metric/value` from the response with the `200` status
  - removed the optional property `metric/lower_value` from the response with the `200` status
  - removed the optional property `metric/upper_value` from the response with the `200` status
  - added the optional property `threshold/metric` to the response with the `200` status
  - added the optional property `threshold/parameters` to the response with the `200` status
  - added `#/components/schemas/JsonMetricTriple` to the `metric` response property `allOf` list for the response status `200`
  - added the required property `value` to the response with the `200` status
- **2026-09-19** `4e91e95f3d45`: 1 info
  - added the required property `variant` to the response with the `200` status
- **2026-03-23** `1634d744359e`: 2 info
  - added the optional property `threshold/testbed/spec/allOf[#/components/schemas/JsonSpec]/sandbox` to the response with the `200` status
  - added the required property `threshold/testbed/spec/allOf[#/components/schemas/JsonSpec]/os` to the response with the `200` status
- **2026-02-26** `e6055a86dc91`: 1 info
  - added the optional property `threshold/testbed/spec/allOf[#/components/schemas/JsonSpec]/fallback` to the response with the `200` status
- **2026-02-22** `b7250beffe09`: 1 info
  - added the optional property `threshold/testbed/spec` to the response with the `200` status
- **2025-08-10** `c2d6b1d67c04`: 1 info
  - for the `path` request parameter `project`, the type was generalized from `string` to no type
- **2025-08-09** `ca83201e45e6`: 4 breaking
  - the `benchmark/slug` response's property type changed from `string` to no type for status `200`
  - the `threshold/branch/slug` response's property type changed from `string` to no type for status `200`
  - the `threshold/measure/slug` response's property type changed from `string` to no type for status `200`
  - the `threshold/testbed/slug` response's property type changed from `string` to no type for status `200`

---

[Operation](https://skmtc.dev/bencherdev/apis/bencher-api/docs/v0/projects/:project/alerts/:alert/patch.md) - [API](https://skmtc.dev/bencherdev/apis/bencher-api.md) - [Page](https://skmtc.dev/bencherdev/apis/bencher-api/changes/v0/projects/:project/alerts/:alert/patch)