---
title: "Remove a Business Unit from a Mailbox"
method: DELETE
path: "/v2/mailboxes/{mailbox_id}/business-units/{business_unit_id}"
tags: ["mailboxes"]
---

# Remove a Business Unit from a Mailbox

`DELETE /v2/mailboxes/{mailbox_id}/business-units/{business_unit_id}`

## Request

- Base URL: `https://api.stuut.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.stuut.ai/v2/mailboxes/{mailbox_id}/business-units/{business_unit_id}`
- Auth: HTTP bearer

Removes a single business unit assignment from a shared mailbox. If the
mailbox has no remaining assignments after removal it becomes unscoped
and visible to all users in the organisation. For a hybrid mailbox, the
paired SendGrid sender is kept scoped identically. Requires organisation
admin.

## Path parameters

- `mailbox_id` string, required
- `business_unit_id` string, required

## Response `204`

Successful Response

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/stuut/apis/stuut-api.md) - [All operations](https://skmtc.dev/stuut/apis/stuut-api/llms.txt) - [OpenAPI document](https://skmtc.dev/stuut/apis/stuut-api/revisions/ff0ad16a55ff?raw)