About this Guide

This guide describes the card payments ecosystem and how Thredd supports your card program.

Target Audience

Technical teams responsible for setting up a new card program.

If you want to find out what's changed since the previous release, see the Document History section.

If you are new to card payments and want to understand how card payments work, see Introduction to Card Payments.
If you want to find out more about the Thredd platform, see The Role of Thredd and Thredd Architecture.
If you are looking to set up a card program and want to understand what this involves, see Setting up a Program with Thredd and Use Case Scenarios.

Refer to the table below for a list of other relevant documents that should be used together with this guide.

Document	Description
Getting Started Guide	Provides information on the stages in a typical Thredd card project.
Web Services Guide	Describes how to use the Thredd SOAP API to send requests to Thredd and provides specifications on the available web service calls.
Cards API Website	Describes how to use the Thredd REST-based API to send requests to Thredd.
External Host Interface (EHI) Guide	Describes the Thredd External Host Interface (EHI) and provides specifications on how to process and respond to messages received from EHI.
Thredd Portal Guide	Describes how to use the Thredd Portal to manage your cards and transactions.
Transaction XML Reporting Guide	Describes the structure and contents of the Thredd Transaction XML reports.
3D Secure Guide - Apata	Describes the Thredd 3D Secure service (via Apata) and how to implement a 3D Secure project.
3D Secure Guide - Cardinal	Describes the Thredd 3D Secure service (via Cardinal) and how to implement a 3D Secure project.

For the latest technical documentation, see the Documentation Portal.