## GET /api/v2/me/preferences/peppol

**Get Peppol eligibility**

Return Peppol e-invoice eligibility for the authenticated account. Eligible accounts are Swedish organisations whose organisation number is registered in the Peppol directory; ineligible responses include a customer-facing `reason`.

### Related Endpoints

- `PATCH /api/v2/me/preferences/peppol`: Update Peppol opt-out
- `GET /api/v2/me/preferences`: Get account preferences
- `PATCH /api/v2/me/preferences`: Update account preferences

### Headers

- `Accept`: application/json
- `Authorization`: Bearer YOUR_API_KEY
- Required API scope: `read:account`

### Request Example

```bash
curl -X GET "https://cloud.hostup.se/api/v2/me/preferences/peppol" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"
```

### Response Schema

- `eligible` (boolean, optional): True when the account can receive e-invoices through Peppol. Example: `true`
- `reason` (string,null, optional): Customer-facing reason when `eligible` is false. Example: `null`
- `orgNumber` (string,null, optional): Swedish organisation number used for lookup, normalized to 10 digits when possible. Example: `5561234567`
- `peppolId` (string,null, optional) Example: `0007:5561234567`
- `participantName` (string,null, optional) Example: `Example AB`
- `lookedUpAt` (string,null, optional) Example: `2026-04-27T12:00:00.000Z`

### Responses

#### 200 - Peppol eligibility status.
```json
{
  "eligible": false,
  "reason": "Your organisation is not registered in the Peppol directory yet.",
  "orgNumber": "5561234567",
  "peppolId": null,
  "participantName": null,
  "lookedUpAt": "2026-04-27T12:00:00.000Z"
}
```

#### 400 - Invalid request. The response body is an RFC 7807 Problem Details document.
```json
{
  "type": "https://developer.hostup.se/errors/invalid_request",
  "title": "Invalid request",
  "status": 400,
  "detail": "The request body failed validation.",
  "code": "invalid_request",
  "instance": "/api/v2/resource",
  "requestId": "req_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "timestamp": "2026-04-27T12:34:56.000Z",
  "errors": [
    {
      "pointer": "/items/0/domainName",
      "detail": "`domainName` is required.",
      "code": "invalid_request"
    }
  ]
}
```

#### 401 - Unauthorized. Authentication is required.
```json
{
  "type": "https://developer.hostup.se/errors/unauthorized",
  "title": "Unauthorized",
  "status": 401,
  "detail": "Authentication is required.",
  "code": "unauthorized",
  "instance": "/api/v2/resource",
  "requestId": "req_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "timestamp": "2026-04-27T12:34:56.000Z"
}
```

#### 403 - Forbidden. The caller lacks a required scope or does not own the resource.
```json
{
  "type": "https://developer.hostup.se/errors/forbidden",
  "title": "Forbidden",
  "status": 403,
  "detail": "The caller lacks a required scope or does not own the resource.",
  "code": "forbidden",
  "instance": "/api/v2/resource",
  "requestId": "req_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "timestamp": "2026-04-27T12:34:56.000Z"
}
```

#### 404 - Not found. The resource does not exist or is not owned by the caller.
```json
{
  "type": "https://developer.hostup.se/errors/not_found",
  "title": "Not found",
  "status": 404,
  "detail": "The requested resource could not be found.",
  "code": "not_found",
  "instance": "/api/v2/resource",
  "requestId": "req_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "timestamp": "2026-04-27T12:34:56.000Z"
}
```

#### 429 - Rate limited. Retry after the limit resets. 429 responses include `Retry-After` seconds plus `X-RateLimit-*` headers.
```json
{
  "type": "https://developer.hostup.se/errors/rate_limit_exceeded",
  "title": "Too many requests",
  "status": 429,
  "detail": "Too many requests. Retry after the limit resets.",
  "code": "rate_limit_exceeded",
  "instance": "/api/v2/resource",
  "requestId": "req_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "timestamp": "2026-04-27T12:34:56.000Z"
}
```

#### 500 - Internal error. Retry later or contact support if the issue persists.
```json
{
  "type": "https://developer.hostup.se/errors/internal_error",
  "title": "Internal server error",
  "status": 500,
  "detail": "An unexpected error occurred. Retry later or contact support if the issue persists.",
  "code": "internal_error",
  "instance": "/api/v2/resource",
  "requestId": "req_01hxa3b4c5d6e7f8g9h0j1k2m3",
  "timestamp": "2026-04-27T12:34:56.000Z"
}
```
