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

# Changes to Update a heartbeat check

`PUT /v1/checks/heartbeat/{id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 4 revisions.

- **2026-08-12** `87d29dc7b4fe` — 14 breaking, 4 warning, 42 info
- **2026-08-05** `9e903da4f3da` — 4 info

## Changes

- **2026-08-12** `87d29dc7b4fe` — 14 breaking, 4 warning, 42 info
  - request body became required
  - request property `frequency` was restricted to a list of enum values
  - 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 `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 changed from `number` to `integer`
  - the `alertSettings/reminders/amount` request property type changed from `number` to `integer`
  - the `alertSettings/reminders/interval` request property type changed from `number` to `integer`
  - the `alertSettings/runBasedEscalation/failedRunThreshold` request property type changed from `number` to `integer`
  - the `alertSettings/timeBasedEscalation/minutesFailingThreshold` request property type changed from `number` to `integer`
  - the `triggerIncident/serviceId` request property format changed from no format to `uuid`
  - the `created_at` response's property format changed from `date` to `date-time` for status `200`
  - removed the optional property `logicalId` from the response with the `200` status
  - removed the optional property `member` from the response with the `200` status
  - removed the optional property `pending` from the response with the `200` status
  - removed the optional property `project` from the response with the `200` status
  - added the new optional request property `checkType`
  - the request property `environmentVariables/items/value` became nullable
  - the request property `request` became nullable
  - the request property `script` became nullable
  - the request property `sslCheckDomain` became nullable
  - 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 `degradedResponseTime` request property default value `10000` was removed
  - the `doubleCheck` request property default value `true` was removed
  - the `enabled` request property default value `false` was removed
  - the `escalationType` request property default value `RUN_BASED` was removed
  - the `frequency` request property default value `10` was removed
  - the `interval` request property default value `5` was removed
  - the `locked` request property default value `false` was removed
  - the `maxResponseTime` request property default value `20000` was removed
  - the `muted` request property default value `false` was removed
  - the `percentage` request property default value `10` was removed
  - the `runParallel` request property default value `false` was removed
  - the `secret` request property default value `false` was removed
  - …20 more
- **2026-08-05** `9e903da4f3da` — 4 info
  - added the optional property `logicalId` to the response with the `200` status
  - added the optional property `member` to the response with the `200` status
  - added the optional property `pending` to the response with the `200` status
  - added the optional property `project` to the response with the `200` status

---

[Operation](https://skmtc.dev/checklyhq/apis/checkly-public-api/docs/v1/checks/heartbeat/: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/heartbeat/:id/put)