---
title: "Changes to Update a monitor"
method: PUT
path: "/api/synthetics/monitors/{id}"
---

# Changes to Update a monitor

`PUT /api/synthetics/monitors/{id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 102 revisions.

- **2026-08-28** `53eec132a4e2` — 1 info

## Changes

- **2026-08-28** `53eec132a4e2` — 1 info
  - added the new optional request property `oneOf[subschema #1: Browser monitor fields]/allOf[subschema #2]/certificate_error_spki_allowlist`

---

[Operation](https://skmtc.dev/elastic/apis/kibana-apis/docs/api/synthetics/monitors/:id/put.md) · [API](https://skmtc.dev/elastic/apis/kibana-apis.md) · [Page](https://skmtc.dev/elastic/apis/kibana-apis/changes/api/synthetics/monitors/:id/put)