---
title: "Delete items from an IoC collection"
method: DELETE
path: "/collections/{id}/relationships/{relationship}"
tags: ["Threat Actors, Malware & Tools, Campaigns, IoC Collections"]
---

# Delete items from an IoC collection

`DELETE /collections/{id}/relationships/{relationship}`

## Request

- Base URL: `https://www.virustotal.com/api/v3`
- URL: `https://www.virustotal.com/api/v3/collections/{id}/relationships/{relationship}`
- Auth: none required
- TypeScript: <https://skmtc.dev/virustotal/apis/threat-landscape/docs/collections/:id/relationships/:relationship/delete.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `id` string, required
- `relationship` string, required

## Headers

- `x-apikey` string, required

## Request body

- object
  - `data` string, json, required: Objects descriptors

## Response `200`

200

## Other responses

- `400`: 400

## Changes

- **2026-11-03** `a15abb3e8389`: 1 breaking, 2 info
  - the `header` request parameter `x-apikey` became required
  - api operation id `delete_collections-id-relationships-relationship` removed and replaced with `delete-element-from-ioc-collection`
  - api tag `Threat Actors, Malware & Tools, Campaigns, IoC Collections` added

[Operation history](https://skmtc.dev/virustotal/apis/threat-landscape/changes/collections/:id/relationships/:relationship/delete.md)

---

[API](https://skmtc.dev/virustotal/apis/threat-landscape.md) - [All operations](https://skmtc.dev/virustotal/apis/threat-landscape/llms.txt) - [OpenAPI document](https://skmtc.dev/virustotal/apis/threat-landscape/revisions/a15abb3e8389?raw)
