---
title: "POST /silences"
method: POST
path: "/silences"
tags: ["silence"]
---

# POST /silences

`POST /silences`

Post a new silence or update an existing one

## Request body

- PostableSilence
  - `id` string
  - `matchers` Matcher[], required
    - `name` string, required
    - `value` string, required
    - `isRegex` boolean, required
    - `isEqual` boolean
  - `startsAt` string, date-time, required
  - `endsAt` string, date-time, required
  - `createdBy` string, required
  - `comment` string, required
  - `annotations` LabelSet

## Response `200`

Create / update silence response

- object
  - `silenceID` string

## Other responses

- `400` — Bad request
- `404` — A silence with the specified ID was not found

---

[API](https://skmtc.dev/prometheus/apis/alertmanager-api.md) · [All operations](https://skmtc.dev/prometheus/apis/alertmanager-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/prometheus/alertmanager-api/revisions/da782cf7fa5e/schema)