Integration Types
Other Features
Card Payments
Mobile Wallets
Alternative Payment Methods
Resources
The following concepts of order and transaction help you to understand the general process of managing payments for online services:
For more details about orders and transactions, see Orders and Transactions.
For a quick introduction to identifiers used to track orders and transactions in various systems, see Identifiers.
If you have no experience with payment processes and want to understand the basic actors and flows used when working with the <<paymentGateway>>, see Payment Actors and Flow.
A cardholder, generally for a one-off payment, or a merchant initiates the payment. A series of payments consists of merchant-initiated payments, where:
For more information, see Cardholder- and Merchant-initiated Payments.
An operation within an API is the action of sending a request and receiving a response. In the context of the <<paymentGateway>> APIs, each transaction operation either creates a specific kind of transaction in the payment system or retrieves information about an existing transaction.