This guide is designed for developers of non-Keyple client applications embedded in smart card processing terminals, who need to delegate all or part of the management of the smart card ticketing transaction to a Keyple-based server application.
For this purpose, the following specifications are provided:
| Specification | Description |
|---|---|
| Server JSON API | Describes the workflow and the JSON format of data exchanged between terminal and server during a remote card transaction, as well as the corresponding business rules. |
| Selection JSON Specification | Describes how to implement early card selection on the terminal before requesting the server to continue the card transaction, as well as the JSON format of the involved data. |