---
title: "POST /v1/webhooks/mobile-release-publications"
method: POST
path: "/v1/webhooks/mobile-release-publications"
tags: ["Mobile"]
---

# POST /v1/webhooks/mobile-release-publications

`POST /v1/webhooks/mobile-release-publications`

## Request

- Base URL: `https://api.arbital.xyz` (the document declares no server; this is the origin it was published from)
- URL: `https://api.arbital.xyz/v1/webhooks/mobile-release-publications`
- Auth: API key in header `x-arbital-release-id` and API key in header `x-arbital-release-signature` and API key in header `x-arbital-release-timestamp`

Accepts a store-published build assertion from the authenticated mobile release pipeline. Equal and lower builds are idempotent no-ops.

## Headers

- `x-arbital-release-id` string, required
- `x-arbital-release-timestamp` string, required
- `x-arbital-release-signature` string, required

## Request body

- object
  - `build` integer, required
  - `platform` 'ios' | 'android', required

## Response `200`

The policy converged monotonically on the published build.

- object
  - `latest_build` integer, required
  - `minimum_supported_build` integer, required
  - `outcome` 'advanced' | 'already_current' | 'superseded', required
  - `platform` 'ios' | 'android', required
  - `requested_build` integer, required

## Other responses

- `400`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `401`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `413`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.
- `503`: Stable machine-readable problem. HTTP 429 and 503 responses include retry and cache-validity fields plus Retry-After and X-Request-ID headers.

---

[API](https://skmtc.dev/arbital/apis/arbital-api.md) - [All operations](https://skmtc.dev/arbital/apis/arbital-api/llms.txt) - [OpenAPI document](https://skmtc.dev/arbital/apis/arbital-api/revisions/bb0185edf43a?raw)