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FIXParser empowers LLMs and AI agents to seamlessly interact with trading infrastructure—send orders, receive market data, and manage FIX sessions with confidence and speed.
Trusted by the World's Leading Financial Institutions
What is FIX?
FIX is the industry standard for real-time electronic trading communication, used by financial institutions to securely exchange market data, orders, and trade information. Its efficiency and reliability make it essential for modern trading systems.
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Introducing FIXParser: The Ultimate Solution for FIX Protocol Integration
FIXParser simplifies parsing FIX messages, connecting to remote gateways, and managing session communication. Whether you're building a trading app or integrating with brokers, it streamlines FIX connectivity and data handling.
FIXParser also includes field definitions from the FIX Specification, explaining each field in the message. It validates the message for errors, such as body length mismatches, checksum issues, and missing required fields, ensuring compliance with the FIX protocol.
Enabling AI Agents with FIXParser Pro
FIXParser supports the Model Context Protocol (MCP), enabling seamless integration with modern agent frameworks such as LangChain, Semantic Kernel, and Autogen. This allows AI agents to directly interact with FIXParser’s data streams, event models, and message structures using standardized actions and context-aware prompts.
By embedding FIXParser into intelligent agent workflows, developers can build highly automated trading assistants, market monitoring bots, and real-time compliance engines—all driven by natural language and secure protocol-based interaction. FIXParser effectively becomes an extension of the LLM’s memory and reasoning space.
Whether you're orchestrating workflows with LangChain, defining skills with Semantic Kernel, or coordinating multi-agent conversations via Autogen, FIXParser provides the real-time context these systems need to make intelligent trading decisions.
FIXParser Pro
FIXParser Pro enables reliable communication with client/server connections, session handling, and FIX encoding. Request Trial.
AI-First Architecture for Intelligent Trading Agents
FIXParser is a cutting-edge, AI-first library designed to enable seamless communication between LLMs, AI agents, and trading infrastructure using the Model Context Protocol (MCP). This advanced integration empowers autonomous systems to parse, generate, and validate FIX messages—streamlining tasks like order execution, market data retrieval, and session management with precision and reliability.
Built for Startups
Purpose-built for next-gen trading workflows, FIXParser delivers state-of-the-art capabilities for building intelligent, automated trading systems. FIXParser, developed in TypeScript, is designed to accelerate development for startups using a similar tech stack. It ensures smooth integration with your existing systems, enabling faster time-to-market and reducing technical debt.
Cutting-Edge Technology
With support for the latest FIX protocol versions, FIXParser is built to handle the most advanced trading workflows. Its robust session management and data validation features make it the go-to choice for companies looking to streamline their trading operations and maintain high data integrity.
Powerful Validation
FIXParser performs comprehensive validation on critical fields like BodyLength, CheckSum, and checks for missing or incomplete data. This ensures that your FIX messages are consistent, accurate, and reliable, preventing costly errors and maintaining the integrity of your trading systems.
Proven Reliability
With over a decade of proven use in the industry, FIXParser is a battle-tested library that has earned the trust of numerous trading firms. Its stability and maturity make it a reliable choice for any organization looking to minimize risk and ensure smooth operations.
Seamless Interoperability
Supporting FIX over TCP, SSL/TLS, and WebSocket, FIXParser guarantees effortless connectivity to any FIX Gateway, including popular implementations like QuickFIX in C++ or Java. The library handles all essential FIX session management tasks — including resend requests, heartbeats, and message sequencing — ensuring secure, real-time communication with your counterparties.
Runs on Node.js® and browsers
Seamless integration with web-based technologies. Supports FIX over TCP, SSL/TLS and WebSockets.
Modern
Supports the latest FIX versions and is regularly updated, ensuring compatibility with the latest industry standards.
Scalable
Well-suited for cloud-based deployments, making FIXParser a good choice for scalable and highly available systems.
Collaborating with Industry Leaders Through FIX
FIXParser is a proud and active member of the FIX Trading Community, the global industry-driven standards body at the heart of electronic trading. As part of this influential network, we collaborate closely with leading financial institutions—including Goldman Sachs, JP Morgan & Chase, Morgan Stanley, and BlackRock—to shape the future of trading technology.
Our commitment to advancing open standards and innovation ensures that FIXParser remains at the forefront of market infrastructure, contributing to key initiatives that drive greater efficiency, transparency, and interoperability across global markets.
Plans Built for Your Needs
FIXParser Pro supports FIX encoding, client to remote FIX gateways and FIX server to receive connections.
Free
FIXParser
Free version is available on NPM, simply install and get started at no cost
Fast, single-digit microsecond performance
Validation (checksum, body length and fields)
Supports various separators/SOH
FIX specification in parsed message
FIXParser Pro
Fully featured FIXParser library, includes support and new versions
Everything in Free, plus:
Supports FIX over TCP, SSL/TLS and WebSocket
Supports: LangChain, Semantic Kernel, Autogen
FIXParser Enterprise
Next-gen FIXParser with AI-powered validation, optimization, and insights
Real-time Analytics Dashboard
Natural Language Processing
