Caplin Documentation

All the documentation you need to develop with Caplin products.

Caplin Trader 4

SDK for developing online trading applications. The foundation of Caplin FX Suite.

Caplin Trader 5

The next generation of Caplin Trader, with a Node.js and Webpack build stack.

Caplin Platform

A suite of low-latency servers and libraries to support online trading applications.


Caplin Platform's high-performance streaming server.


Caplin Platform's application and data-transformation server.

Deployment Framework

Command-line utility for managing the deployment of Caplin Platform components.

Caplin Management Console

Desktop application for monitoring and managing the Caplin Platform.

Caplin Integration Suite

Libraries to integrate the Caplin Platform with your backend systems.

DataSource Library

The core Caplin Platform library used by Liberator, Transformer, and integration adapters.

StreamLink Library

Library used by clients to connect to Liberator.


Java Servlet that enables single sign-on to the Caplin FX Suite and Liberator.