Account API vs API Reference: Billing
Both are solid Finance APIs. Choose based on your specific requirements.
Account API
This API is used for the classic integration. If you are just starting your implementation, refer to our [new integration guide](https://docs.adyen.com/marketplaces-and-platforms) instead. The Acc...
API Reference: Billing
# 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/develope...
Account API
- Simple API key authentication
- HTTPS supported
API Reference: Billing
- Simple API key authentication
- HTTPS supported
| Feature | Account API | API Reference: Billing |
|---|---|---|
| Authentication | apiKey | apiKey |
| HTTPS | Yes | Yes |
| CORS | Unknown | Unknown |
When to use which?
Both Account API and API Reference: Billing offer similar capabilities as Finance APIs. Review their documentation to find the best fit for your specific use case.