# tZERO FIX API

**Canonical:** https://apis.io/apis/tzero/fix/  
**Provider:** tZERO — https://apis.io/providers/tzero/  
**Documentation:** https://apidocs.tzero.com/docs/fix

tZERO FIX API is one of 3 APIs that [tZERO](https://apis.io/providers/tzero/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include FIX Protocol, Order Entry, Market Data, and Drop Copy. The published artifact set on APIs.io includes API documentation.

FIX 4.2 / 4.4 protocol surface for low-latency order entry, drop-copy execution reports, market data (snapshot and incremental refresh, trading session status, security status) and Indication of Interest (IOI) market data against the tZERO ATS. Message-by-message specifications are published on the tZERO API docs site; session credentials and connectivity are arranged with tZERO.

## Machine-readable artifacts (1)

- **Documentation** — https://apidocs.tzero.com/docs/fix

## Other tZERO APIs (2)

- [tZERO Issuance & Secondary Markets API](https://apis.io/apis/tzero/issuance-secondary-markets/)
- [tZERO Institutional API](https://apis.io/apis/tzero/institutional/)

## Tags

FIX Protocol, Order Entry, Market Data, Drop Copy

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/tzero/fix/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/tzero/.