---
title: "Attach a message to an existing application"
method: POST
path: "/v1/applications/{application_request_id}/messages"
tags: ["Attach a message"]
---

# Attach a message to an existing application

`POST /v1/applications/{application_request_id}/messages`

Application information API - Get the information about an application

## Path parameters

- `application_request_id` string, required

## Request body

- AttachAMessageRequest — The request to send to the endpoint to request an upload URL
  - `data` object, required
    - `message_text` string, required — The content of the message to be attached

## Response `202`

Accepted

## Other responses

- `400` — Bad Request
- `401` — Unauthorised - an access token is required
- `404` — Application creation request not found in the system
- `500` — Internal Server Error

---

[API](https://skmtc.net/hm-land-registry/apis/v1-0-submit-an-application-to-change-the-land-register-api-s.md) · [All operations](https://skmtc.net/hm-land-registry/apis/v1-0-submit-an-application-to-change-the-land-register-api-s/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hm-land-registry/v1-0-submit-an-application-to-change-the-land-register-api-s/revisions/6964bf9fc289/schema)