The TypeScript library for working with FIX messages.

Support for the latest FIX versions, sessions and data validation makes FIXParser a popular choice for companies looking to streamline their trading operations.

Used By

  • DIFX
  • AQRU
  • Fasset
  • Grain Finance
  • Goldman Sachs
  • Coinbase
  • Brevan Howard
  • JPMorganChase
  • Deel
  • SECCL
  • DIFX
  • AQRU
  • Fasset
  • Grain Finance
  • Goldman Sachs
  • Coinbase
  • Brevan Howard
  • JPMorganChase
  • Deel
  • SECCL

FIXParser Pro

Our enterprise-grade solution provides robust client and server connections, session handling and FIX encoding ensuring seamless communication between counterparties.

Crafted for Startups

FIXParser, written in TypeScript offers numerous benefits for startups using a similar tech-stack, accelerates development, ensuring seamless integration with existing systems.

High-quality Data

FIXParser ensures the highest quality of data by providing clear definitions for every field in a FIX message.

Validation

The library performs robust validation of fields such as BodyLength, CheckSum and checks whether the message has any missing fields to ensure the integrity and consistency of the data.

Reliability

FIXParser is a well-tested library that has been in use for over a decade, ensuring its maturity and reliability.

Interoperability

FIXParser offers seamless interoperability and supports FIX over TCP, SSL/TLS and WebSocket. This enables you to connect to a FIX Gateway, such as QuickFIX in C++ or Java. Our library handles FIX sessions, including resend requests, heartbeats, and more, ensuring reliable and secure communication between counterparties.

Open-Source

FIXParser is an open-source library that offers a set of free functionality as well as a fully featured paid Pro version. As an open-source solution, FIXParser offers numerous benefits, including a fully auditable source code, enabling you to review and modify the code as needed.

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Runs on Node.js® and browsers

Seamless integration with web-based technologies. Supports FIX over TCP, SSL/TLS and WebSocket.

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.

Simple Pricing

FIXParser Pro supports FIX encoding, client to remote FIX gateways and FIX server to receieve connections.

Free

Basic

Free version is available on NPM and GitLab

Parse FIX messages

Fast, single-digit microsecond performance

Validation (checksum, body length and fields)

Supports various separators/SOH

FIX specification in parsed message

Node.js® and browsers

$1100/yr

Pro

Fully featured FIXParser library, includes support and new versions

Parse FIX messages

Create FIX messages

Encode FIX messages

Remote connections

FIX Server

Supports FIX over TCP, SSL/TLS and WebSocket

Fast, single-digit microsecond performance

Validation (checksum, body length and fields)

Supports various separators/SOH

FIX specification in parsed message

Node.js® and browsers