---
title: "Signal a running container"
method: POST
path: "/containers/{id}/signal"
tags: ["containers"]
---

# Signal a running container

`POST /containers/{id}/signal`

Sends a signal to a container by id

## Path parameters

- `id` string, required

## Query parameters

- `signal` integer, required

## Response `200`

OK

## Other responses

- `404` — Container not found
- `500` — Failed to signal container

## Changes

- **2018-06-14** `d95851b27556` — 1 info
  - added the new optional `header` request parameter `Op-ID` to all path's operations

[Change history](https://skmtc.dev/vmware/apis/port-layer-api/changes/containers/:id/signal/post.md)

---

[API](https://skmtc.dev/vmware/apis/port-layer-api.md) · [All operations](https://skmtc.dev/vmware/apis/port-layer-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/vmware/port-layer-api/revisions/5fff0b8814c7/schema)