---
title: "Delete project recipient suppression"
method: DELETE
path: "/mailboxes/v1/suppressions"
tags: ["Mailboxes"]
---

# Delete project recipient suppression

`DELETE /mailboxes/v1/suppressions`

## Request

- Base URL: `https://api.run402.com`
- URL: `https://api.run402.com/mailboxes/v1/suppressions`
- Auth: HTTP bearer

Deletes matching project-scoped suppressions for the authenticated project only. Global suppressions and other projects are not affected.

## Query parameters

- `email` string, email, required

## Response `200`

Suppression delete result

- object
  - `status` 'ok'
  - `deleted` integer

## Other responses

- `400`: Missing or invalid email query parameter
- `401`: Missing or invalid authentication. Run402-originated JSON bodies use the canonical ErrorEnvelope.

---

[API](https://skmtc.dev/run402/apis/run402-api.md) · [All operations](https://skmtc.dev/run402/apis/run402-api/llms.txt) · [OpenAPI document](https://skmtc.dev/run402/apis/run402-api/revisions/893607557f50?raw)