Account API vs Portfolio Optimizer
If you need a Finance API that's easy to integrate, go with Portfolio Optimizer.
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...
Portfolio Optimizer
Portfolio analysis and optimization
Account API
- Simple API key authentication
- HTTPS supported
Portfolio Optimizer
- No authentication required
- HTTPS supported
- CORS enabled for frontend use
| Feature | Account API | Portfolio Optimizer |
|---|---|---|
| Authentication | apiKey | None |
| HTTPS | Yes | Yes |
| CORS | Unknown | Yes |
When to use which?
Portfolio Optimizer is the better choice for quick prototypes and hackathons since it requires no authentication. Portfolio Optimizer works directly from the browser with CORS enabled, making it better for frontend-only apps.