---
title: "Delete Collection Instrument"
method: DELETE
path: "/collection-instruments"
---

# Delete Collection Instrument

`DELETE /collection-instruments`

## Request

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

DELETE method that deletes all CI schema and metadata from CIR of a specified survey ID.
This is a helper endpoint that is used for cleaning up after tests.

## Query parameters

- `survey_id` string: The survey ID of the CI to be deleted.

## Response `200`

Successful Response

- unknown

## Other responses

- `400`: Bad Request
- `404`: Not Found
- `422`: Validation Error
- `500`: Internal Server Error

## Changes

- **2026-08-27** `1e0c2422ae94`: 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2026-05-01** `c00ef518a6d5`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register/changes/collection-instruments/delete.md)

---

[API](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register.md) - [All operations](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register/llms.txt) - [OpenAPI document](https://skmtc.dev/office-of-national-statistics/apis/collection-instrumentation-register/revisions/7aeabd13e191?raw)