# Features
source: https://developer.mastercard.com/ob-accept-payments/documentation/features/index.md

This section describes the features you can use to enhance your payment flows
with the Mastercard Open Finance Pay API.

* Refer to [Payment Links](https://developer.mastercard.com/ob-accept-payments/documentation/features/payment-links/index.md) to accept one-off payments through a long-lived link, without building your own checkout.
* Refer to [Return User Experience](https://developer.mastercard.com/ob-accept-payments/documentation/features/return-user-experience/index.md) to speed up repeat payments with passkeys, pre-selected source accounts and remembered payers.