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

# Attach a document to an existing application

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

Attach a document from Send a Document to an existing application

## Path parameters

- `application_request_id` string, required

## Request body

- AttachADocumentRequest — The request to send to the endpoint to request an upload URL
  - `data` object, required
    - `certification_statement_type` 'CERTIFIED' | 'CERTIFIED_BY_ANOTHER' | 'NOT_CERTIFIED', required — * `CERTIFIED` - I/we certify this is a true copy of an original document * `CERTIFIED_BY_ANOTHER` - I/we certify this document is a true copy of an original document which is certified by a conveyancer to be a true copy of the original * `NOT_CERTIFIED` - This document is an uncertified copy
    - `document_id` string, required — The id of the document from the document upload request

## 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)