---
title: "Create a mailbox"
method: POST
path: "/mailboxes"
tags: ["Mailboxes"]
---

# Create a mailbox

`POST /mailboxes`

## Request

- Base URL: `https://api.sandbox.monite.com/v1`
- URL: `https://api.sandbox.monite.com/v1/mailboxes`
- Auth: HTTP bearer

Create a new mailbox

## Headers

- `x-monite-version` string, required
- `x-monite-entity-id` string, required

## Request body

- object
  - `mailbox_domain_id` string, uuid, required
  - `mailbox_name` string, required
  - `related_object_type` 'payable' | 'receipt', required

## Response `201`

Successful Response

- MailboxResponse
  - `id` string, uuid, required: Mailbox UUID
  - `mailbox_domain_id` string, uuid
  - `mailbox_full_address` string, required
  - `mailbox_name` string, required
  - `related_object_type` string, required
  - `status` string, required

## Other responses

- `401`: The `Authorization` header is missing or contains an invalid or expired access token. See [Authentication](https://docs.monite.com/api/concepts/authentication) to learn how to authenticate API calls.
- `403`: The specified access token does not have permissions to perform this operation.
- `409`: Business logic error
- `422`: Validation Error
- `429`: API rate limit has been exceeded. Check the response headers for the rate limit information.

---

[API](https://skmtc.dev/monite/apis/monite-2.md) - [All operations](https://skmtc.dev/monite/apis/monite-2/llms.txt) - [OpenAPI document](https://skmtc.dev/monite/apis/monite-2/revisions/4299ccf95edb?raw)