# Release a mailbox and free its slot

`DELETE /workspace/mailboxes/{id}` · Rivier · inbox

Release a mailbox and free its slot; one with mail is exported first and kept for the retention period.

- Scope: inbox:write
- Mcp: rivier_mailbox_release
- Graphql: Mutation.inboxMailboxDelete
- Sdk: inbox.mailbox.delete
- Cli: inbox mailbox delete

## Parameters

- `id` (path, required), string

## Responses

- `200`: Success
- `400`: The request was malformed
- `401`: No valid credential
- `403`: The credential lacks the scope, origin or address
- `429`: Over the key's rate limit; see Retry-After

## Example

```sh
curl -X DELETE 'https://api.rivier.ai/workspace/mailboxes/{id}' \
  -H 'Authorization: Bearer $KEY'
```