# GET /api/v1/email/usage

> List mailboxes by usage

- Group: email
- Tier: R
- Required scope: read:email
- Docs: https://api.inleed.com/reference/email/get-mailbox-usage

## Description

Returns each mailbox `address`, `usedMb`, `quotaMb` (null = unlimited), `usedPct`, `sentToday` and `sendLimit`, largest usage first.

## Query parameters

- `input` — string (required). A domain, email address, website URL, or Inleed service id — for example example.se, info@example.se or 42976. Resolved to the owning account automatically, and the resolved target is echoed back in the response. Up to 255 characters.
- `limit` — integer. Page size for a collection. Range 1–200.

## Request

```bash
curl -X GET "https://mcp.inleed.com/api/v1/email/usage?input=example.se&limit=3" \
  -H "Authorization: Bearer inl_live_…"
```

## Response · 200

```json
{
  "target": {
    "input": "example.se",
    "kind": "domain",
    "domain": null,
    "mailbox": null,
    "serviceId": 90714,
    "domainServiceId": null,
    "daUsername": "inleed42",
    "node": "web12",
    "userId": 4821,
    "note": null
  },
  "data": [
    {
      "address": "info@example.se",
      "usedMb": 3,
      "quotaMb": 3,
      "usedPct": 3,
      "sentToday": 1,
      "sendLimit": 3
    }
  ],
  "total": 3,
  "hasMore": true
}
```

## Errors

- **400**  — codes: invalid_request
- **401** No token was presented, or the token is revoked, expired or unknown. — codes: unauthorized, token_expired, token_revoked
- **403** The token lacks a required scope, or this account does not own the resource. — codes: insufficient_scope, domain_not_owned
- **404** No such resource for this account. — codes: not_found, mailbox_not_found
- **422** Validation error — codes: validation_failed
- **429** The rate limit for this token is exhausted. See `Retry-After`. — codes: rate_limited
- **500** Something went wrong on our side. The failure is logged against `requestId`. — codes: internal_error