# 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](https://www.zuora.com/developer/api-guides/). In…
About the API Reference: Billing API
API Reference: Billing API on Apizie: 400 endpoints (List charge metrics by time range, List discount allocation details by time range, List event triggers, Create an event trigger, …) returned as clean JSON through one API key. 400 endpoints are live now. Call it over REST at https://zieapi.vercel.app/v1/finance:zuora/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.
| Project key | finance:zuora |
|---|---|
| Status | Live |
| Endpoints | 400 |
| Category | Finance |
| Source | zuora.com |
| Base URL | https://zieapi.vercel.app/v1/finance:zuora/{endpoint} |
| For AI tools | OpenAPI spec · Markdown (what is this?) |
API Reference: Billing API FAQ
How do I call the API Reference: Billing API?
Create a free Apizie key, then send GET https://zieapi.vercel.app/v1/finance:zuora/get-charge-metrics with the header x-api-key. Every endpoint returns { project, data, timestamp }.
Is the API Reference: Billing API free on Apizie?
Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.
Can AI agents use the API Reference: Billing API?
Yes. Add the Apizie MCP server (https://zieapi.vercel.app/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key finance:zuora.
What is the status of the API Reference: Billing API?
Live: works with just an Apizie key