---
title: "Acknowledge receipt of a message"
method: POST
path: "/api/v1/messages/{id}/ack"
tags: ["Messages"]
---

# Acknowledge receipt of a message

`POST /api/v1/messages/{id}/ack`

## Path parameters

- `id` string, required

## Query parameters

- `channel` string, required

## Response `200`

Message acknowledged

- object
  - `acknowledged` boolean

## Other responses

- `401` — Invalid API key
- `403` — Not your agent
- `404` — Message not found

## Changes

- **2026-04-02** `d05e1eeb4e5c` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/placet-io/apis/placet-api/changes/api/v1/messages/:id/ack/post.md)

---

[API](https://skmtc.dev/placet-io/apis/placet-api.md) · [All operations](https://skmtc.dev/placet-io/apis/placet-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/placet-io/placet-api/revisions/3fb7657511b8/schema)