---
title: "Delete an attachment"
method: DELETE
path: "/v3/attachments/{attachmentId}"
tags: ["attachments"]
---

# Delete an attachment

`DELETE /v3/attachments/{attachmentId}`

Delete the existing attachment. A deleted attachment cannot be restored.   The deleted attachment is not available in the list of attachments.

## Path parameters

- `attachmentId` string, required — BILL-generated ID of the attachment. The value begins with `att`.

## Headers

- `sessionId` string, nullable — API session ID generated with `/v3/login`
- `devKey` string, nullable — Developer key generated with your BILL developer account

## Response `200`

Delete an attachment response

- StatusDto — The type Delete response dto.
  - `status` 'SUCCESS' | 'FAILURE' — Request status

## Other responses

- `4XX` — List of errors.
- `5XX` — List of errors.

---

[API](https://skmtc.net/bill/apis/bill-v3-api.md) · [All operations](https://skmtc.net/bill/apis/bill-v3-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/bill/bill-v3-api/revisions/0483350c434e/schema)