# GET /billing/usage

**Resource:** [Billing](./billing.md)  
**Scopes:** `billing:read`  
**Write operation:** no

List credit transactions and usage history.

## Parameters

| Name | In | Type | Required | Description |
|------|----|------|----------|-------------|
| `limit` | query | number | no | Max results per page |
| `after` | query | string | no | Cursor for pagination |

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Base URL: `https://api.trustpager.com/functions/v1/api/v1` — Auth: `Authorization: Bearer YOUR_API_KEY`