---
title: "POST /api/v1/projects/{project_id}/federation/relay:ack"
method: POST
path: "/api/v1/projects/{project_id}/federation/relay:ack"
---

# POST /api/v1/projects/{project_id}/federation/relay:ack

`POST /api/v1/projects/{project_id}/federation/relay:ack`

## Request

- The document declares no server URL.
- Auth: none declared

## Path parameters

- `project_id` integer, required

## Headers

- `Authorization` string

## Request body

- RelayAckRequestBody
  - `digest` string, required
  - `epoch` integer, required
  - `stream` 'events' | 'receipts' | 'artifacts', required
  - `through` integer, required

## Response `200`

OK

- RelayAckResponseBody
  - `acknowledged` boolean, required

## Other responses

- `default`: Error

## Changes

- **2026-10-14** `c5792dd95eca`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/kenn-io/apis/kata/changes/api/v1/projects/:project_id/federation/relay:ack/post.md)

---

[API](https://skmtc.dev/kenn-io/apis/kata.md) - [All operations](https://skmtc.dev/kenn-io/apis/kata/llms.txt) - [OpenAPI document](https://skmtc.dev/kenn-io/apis/kata/revisions/351807923500?raw)