Uses a "Message Cracker" pattern to route incoming FIX messages to specific, type-safe Java handlers.

Add the following core engine and message dependencies to your pom.xml . You can find the latest stable versions on the Central Repository (Maven Central):

Useful if you need to modify the engine or understand its internals.

Are you building a or a server-side acceptor for your first FIX project?

Easily switch between storing message logs in a flat file, a database via JDBC, or keeping them strictly in memory. Quick Start Checklist

Set your SenderCompID , TargetCompID , and SocketConnectHost .

Most modern Java developers do not download a standalone .zip file. Instead, you integrate QuickFIX/J directly into your project using dependency management tools like Maven or Gradle.