## GET /api/v2/shared-hosting/{accountId}/addons/storage

**List hosting storage add-ons**

Return storage add-on tiers for a shared-hosting account, including per-tier availability and a top-level `canAddStorage` gate. Use a returned `tiers[].id` as `addonId` when purchasing.

### Related Endpoints

- `POST /api/v2/shared-hosting/{accountId}/addons/storage`: Order hosting storage add-on
- `GET /api/v2/shared-hosting/{accountId}`: Get shared-hosting account
- `PATCH /api/v2/shared-hosting/{accountId}`: Rename shared-hosting account

### Headers

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

### Parameters

- `accountId` (path, string, required): Public shared-hosting account ID. Get it from GET /api/v2/shared-hosting `data[].id`. Do not invent this value; use the exact ID returned by the referenced API response. Example: `acct_01hxa3b4c5d6e7f8g9h0j1k2m3`

### Request Example

```bash
curl -X GET "https://cloud.hostup.se/api/v2/shared-hosting/acct_01hxa3b4c5d6e7f8g9h0j1k2m3/addons/storage" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Accept: application/json"
```

### Response Schema

- `tiers` (array<object>, required)
- `tiers[].id` (string, required) Example: `storage-10gb`
- `tiers[].name` (string,null, required) Example: `Extra 10 GB storage`
- `tiers[].description` (string, required) Example: `Adds 10 GB disk space to this hosting account.`
- `tiers[].price` (number, required) Example: `49`
- `tiers[].currencyCode` (string, required) Example: `SEK`
- `tiers[].billingCycle` (string, required) Example: `annually`
- `tiers[].sizeGb` (number, required) Example: `10`
- `tiers[].available` (boolean, required)
- `tiers[].reason` (string,null, required) Example: `null`
- `actions` (object, required)
- `actions.canAddStorage` (object, required)
- `actions.canAddStorage.allowed` (boolean, required) Example: `true`
- `actions.canAddStorage.reason` (string,null, required) Example: `null`
- `actions.canAddStorage.code` (string,null, optional): Machine-readable reason code when an action is blocked. Example: `pending_order`
- `account` (object, required)
- `account.id` (string, required)
- `account.domain` (string,null, required) Example: `example.com`
- `account.billing` (object, required)
- `account.billing.billingCycle` (string,null, required) Example: `annually`

### Responses

#### 200 - Storage add-on options.
```json
{
  "tiers": [
    {
      "id": "storage-10gb",
      "name": "Extra 10 GB storage",
      "description": "Adds 10 GB disk space to this hosting account.",
      "price": 49,
      "currencyCode": "SEK",
      "billingCycle": "annually",
      "sizeGb": 10,
      "available": true,
      "reason": null
    }
  ],
  "actions": {
    "canAddStorage": {
      "allowed": true,
      "reason": null
    }
  },
  "account": {
    "id": "acct_01hxa3b4c5d6e7f8g9h0j1k2m3",
    "domain": "example.com",
    "billing": {
      "billingCycle": "annually"
    }
  }
}
```

#### 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"
}
```