---
title: "Changes to Update a check"
method: PUT
path: "/v1/checks/{id}"
---

# Changes to Update a check

`PUT /v1/checks/{id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 4 revisions.

- **2026-08-12** `87d29dc7b4fe` — 23 breaking, 3 warning, 53 info

## Changes

- **2026-08-12** `87d29dc7b4fe` — 23 breaking, 3 warning, 53 info
  - request body became required
  - for the `path` request parameter `id`, the minLength was increased from `0` to `1`
  - for the `header` request parameter `x-checkly-account`, the type/format was changed from `string`/`` to `string`/`uuid`
  - for the `path` request parameter `id`, the type/format was changed from `string`/`` to `string`/`uuid`
  - request property `frequency` was restricted to a list of enum values
  - the `dependencies/items/content` request property's minLength was increased from `0` to `1`
  - the `dependencies/items/path` request property's minLength was increased from `0` to `1`
  - the `environmentVariables/items/key` request property's minLength was increased from `0` to `1`
  - the `name` request property's minLength was increased from `0` to `1`
  - the `privateLocations/items/` request property's minLength was increased from `0` to `1`
  - the `scriptPath` request property's minLength was increased from `0` to `1`
  - the `tags/items/` request property's minLength was increased from `0` to `1`
  - the `triggerIncident/serviceId` request property's minLength was increased from `0` to `1`
  - the `alertSettings/parallelRunFailureThreshold/percentage` request property type/format changed from `number`/`` to `integer`/``
  - the `alertSettings/reminders/amount` request property type/format changed from `number`/`` to `integer`/``
  - the `alertSettings/reminders/interval` request property type/format changed from `number`/`` to `integer`/``
  - the `alertSettings/runBasedEscalation/failedRunThreshold` request property type/format changed from `number`/`` to `integer`/``
  - the `alertSettings/timeBasedEscalation/minutesFailingThreshold` request property type/format changed from `number`/`` to `integer`/``
  - the `degradedResponseTime` request property type/format changed from ``/`` to `number`/``
  - the `maxResponseTime` request property type/format changed from ``/`` to `number`/``
  - the `triggerIncident/serviceId` request property type/format changed from `string`/`` to `string`/`uuid`
  - the response's body type/format changed from `object`/`` to ``/`` for status `200`
  - removed the required property `checkType` from the response with the `200` status
  - removed the optional property `attributes` from the response with the `401` status
  - removed the optional property `attributes` from the response with the `429` status
  - removed the optional property `id` from the response with the `200` status
  - the request property `degradedResponseTime` became nullable
  - the request property `environmentVariables/items/value` became nullable
  - the request property `heartbeat` became nullable
  - the request property `maxResponseTime` became nullable
  - the request property `script` became nullable
  - the request property `sslCheckDomain` became nullable
  - the request property `heartbeat` became optional
  - the request property `script` became optional
  - the `activated` request property default value `true` was removed
  - the `activated` request property default value `true` was removed
  - the `alertSettings` request property default value `{"escalationType":"RUN_BASED","runBasedEscalation":{"failedRunThreshold":1},"reminders":{"amount":0,"interval":5},"parallelRunFailureThreshold":{"enabled":false,"percentage":10}}` was removed
  - the `amount` request property default value `0` was removed
  - the `baseBackoffSeconds` request property default value `60` was removed
  - the `doubleCheck` request property default value `true` was removed
  - …39 more

---

[Operation](https://skmtc.dev/checklyhq/apis/checkly-public-api/docs/v1/checks/:id/put.md) · [API](https://skmtc.dev/checklyhq/apis/checkly-public-api.md) · [Page](https://skmtc.dev/checklyhq/apis/checkly-public-api/changes/v1/checks/:id/put)
