# API Reference: Billing **Provider:** API Reference: Billing **Category:** payments **Base URL:** `https://rest.zuora.com` **Auth:** none — `# No auth required` **Rate Limit:** See documentation **Free Tier:** Yes — available **Pricing:** Enterprise / contact sales (subscription) **Docs:** https://rest.zuora.com ## Description Introduction Welcome to the reference for the Zuora Billing REST API! To learn about the common use cases of Zuora Billing REST APIs, check out the API Guides. In addition to Zuora API Reference; Billing, we also provide API references for other ## Endpoints | Method | Endpoint | Description | |--------|----------|-------------| | GET | `https://rest.zuora.com/charge-metrics/data/charge-metrics` | List charge metrics by time range | | GET | `https://rest.zuora.com/charge-metrics/data/charge-metrics-discount-allocation-detail` | List discount allocation details by time range | | GET | `https://rest.zuora.com/events/event-triggers` | List event triggers | | POST | `https://rest.zuora.com/events/event-triggers` | Create an event trigger | | DELETE | `https://rest.zuora.com/events/event-triggers/{id}` | Delete an event trigger | | GET | `https://rest.zuora.com/events/event-triggers/{id}` | Retrieve an event trigger | | PUT | `https://rest.zuora.com/events/event-triggers/{id}` | Update an event trigger | | GET | `https://rest.zuora.com/notifications/email-templates` | List email templates | ## Authentication No authentication required ``` # No auth required ``` ## Sample Request ```bash curl -X GET 'https://rest.zuora.com/charge-metrics/data/charge-metrics' \ -H '# No auth required' ``` ## Sample Response ```json {} ``` ## Pricing Details Free — open public API, no authentication required. --- *Source: [API Map](https://apimap.dev/apis/api-reference-billing/) — CC BY 4.0*