---
title: "Acknowledge an event"
method: POST
path: "/topics/{topic_slug}/subscriptions/{subscription_slug}/events/{event_id}"
tags: ["events"]
---

# Acknowledge an event

`POST /topics/{topic_slug}/subscriptions/{subscription_slug}/events/{event_id}`

## Request

- Base URL: `https://api.sailhouse.dev`
- URL: `https://api.sailhouse.dev/topics/{topic_slug}/subscriptions/{subscription_slug}/events/{event_id}`
- Auth: API key in header `Authorization`
- TypeScript: <https://skmtc.dev/sailhouse/apis/sailhouse-api/docs/topics/:topic_slug/subscriptions/:subscription_slug/events/:event_id/post.ts> (a function with typed inputs; its response is checked against the schema)

Acknowledge an event, marking it as processed for a subscription

## Path parameters

- `topic_slug` string, required
- `subscription_slug` string, required
- `event_id` string, required

## Response `200`

Success

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `500`: Internal Server Error

## Changes

- **2026-07-13** `43535eb89833`: 1 info
  - endpoint added
- **2024-02-10** `a2d864f3a8db`: 1 breaking
  - api path removed without deprecation

[Operation history](https://skmtc.dev/sailhouse/apis/sailhouse-api/changes/topics/:topic_slug/subscriptions/:subscription_slug/events/:event_id/post.md)

---

[API](https://skmtc.dev/sailhouse/apis/sailhouse-api.md) - [All operations](https://skmtc.dev/sailhouse/apis/sailhouse-api/llms.txt) - [OpenAPI document](https://skmtc.dev/sailhouse/apis/sailhouse-api/revisions/43535eb89833?raw)