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FIX (Financial Information eXchange) is an electronic messaging protocol widely adopted by financial institutions to transmit trading activity such as submitting or canceling orders and receiving execution information. The FIX API is based on FIX 4.2 and modeled after common Forex FIX implementations.

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Get Started

Onboarding

Set Up a Paxos Account, configure connection then certify.

Certification

Test and verify the FIX implementation in Sandbox before going to Production.

Best Practices

Learn about connection management, sequence number management and testing.

FIX API Reference

Message types, required tags, and encoded values for Paxos FIX 4.2.

Data Dictionary

QuickFIX-compatible FIX 4.2 data dictionary for Paxos.