Question 1

Which is better, Account API or Fed Treasury?

Accepted Answer

If you need a Finance API that's easy to integrate, go with Fed Treasury. Account API uses apiKey while Fed Treasury uses no authentication.

Question 2

What is the main difference between Account API and Fed Treasury?

Accepted Answer

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.... Fed Treasury: U.S. Department of the Treasury Data. They differ in authentication (apiKey vs no authentication), HTTPS support (yes vs yes), and CORS (unknown vs unknown).

Question 3

Which Finance API is easier to integrate?

Accepted Answer

Fed Treasury is easier to integrate because it requires no authentication.

Feature	Account API	Fed Treasury
Authentication	apiKey	None
HTTPS	Yes	Yes
CORS	Unknown	Unknown

Account API vs Fed Treasury

Account API

Fed Treasury

When to use which?