Finance · industry standard

FIX Protocol

FIX (Financial Information eXchange) is the de facto messaging protocol for electronic trading of securities. It standardizes pre-trade, trade, and post-trade communication between market participants.

www.fixtrading.org/The standard

1992First published

Yes — XML Schema (XSD), tag-value enc...Machine-readable schema · open

11providers in the catalog

Also known as Financial Information eXchange.

Providers that carry FIX Protocol 11

These providers' own APIs.json profiles carry FIX Protocol as a tag — the provider's statement that the standard is part of what it does. APIs.io has not verified the implementation on this page; the de facto profiles on this site are where that measurement exists. Ordered by Kin Score.

Zero Hashdeveloping · 54.2 tZEROdeveloping · 47.5 Bakktthin · 39.2 iTickthin · 38.7 Imperative Executionthin · 36.1 EDX Marketsthin · 33.1 National Stock Exchange of Indiathin · 30.0 OneChronosemerging · 21.7 Trumidemerging · 19.2 A5Xemerging · 18.4 Long-Term Stock Exchangeemerging · 13.3

Read from the API Evangelist standards directory, facts verified 2026-08-17. Provider links come from the catalog's own identity tags and are rebuilt nightly. If this page is wrong about a standard or a provider, say so.