A web service to initiate and authorise payments with Adyen Checkout. You can use the same integration for payments made with cards (including One-Click and 3D Secure), mobile wallets, and local payment methods (e.g. iDEAL and Sofort). For more information, refer to [Checkout documentation](https://docs.adyen.com/developers/checkout).
A set of API endpoints that allow you to initiate, settle, and modify payments on the Adyen payments platform. You can use the API to accept card payments (including One-Click and 3D Secure), bank transfers, ewallets, and many other payment methods. For more information, refer to [Ecommerce integration](https://docs.adyen.com/developers/ecommerce-integration).