Invoicing

These documents explain how to use Affirm and Klarna, which are in-line, real-time financing solutions.

Get Started
Getting Started with CyberSource Advanced for the Simple Order API
Creating and Using Security Keys
Simple Order API Clients and SOAP Toolkit API
Simple Order API Release Notes
Integrate
Affirm Services Using the Simple Order API
Klarna Services Using the Simple Order API
Get Started
Getting Started with CyberSource Advanced for the SCMP API
Creating and Using Security Keys
SCMP API Clients
Integrate
Affirm Services Using the SCMP API
Klarna Services Using the SCMP API