---
title: "Delete Suppression List"
method: DELETE
path: "/v1/batch/suppression-lists/{listId}"
tags: ["Cost Control"]
---

# Delete Suppression List

`DELETE /v1/batch/suppression-lists/{listId}`

Delete an entire suppression list.

## Path parameters

- `listId` string, required

## Response `200`

List deleted.

## Other responses

- `401` — Unauthorized - Authentication failed. **Common causes:** - Missing X-API-Key header - Invalid or expired API key - Malformed API key

## Changes

- **2026-08-25** `1f289eff3a26` — 2 breaking
  - the `oneOf[#/components/schemas/InvalidApiKeyError]/allOf[#/components/schemas/ErrorResponse]/errors/items/instance` response's property format changed from `uri` to `uri-reference` for status `401`
  - the `oneOf[#/components/schemas/MissingAuthenticationError]/allOf[#/components/schemas/ErrorResponse]/errors/items/instance` response's property format changed from `uri` to `uri-reference` for status `401`

[Change history](https://skmtc.dev/leadmagic/apis/leadmagic-api/changes/v1/batch/suppression-lists/:listId/delete.md)

---

[API](https://skmtc.dev/leadmagic/apis/leadmagic-api.md) · [All operations](https://skmtc.dev/leadmagic/apis/leadmagic-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/leadmagic/leadmagic-api/revisions/1f289eff3a26/schema)