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Welcome

The Immix v3 API — market data over WebSocket; an organisation’s users, custody and orders over REST

Immix is a trading platform for organisations. It holds your organisation’s venue credentials, accounts and policies under dual control, places your orders at the venues it connects to, and streams those venues’ market data. This portal documents its API.

Quickstart

Connect to the market-data socket, authenticate, and stream trades.

Authentication

One bearer token for both APIs, and how the platform admits you.

Concepts

Principals, capabilities, maker-checker, positions and versions, money.

REST API guide

The REST API’s rules in full, section by section.

The APIs

APIWhat it carriesReference
Market Data WebSocketOne connection, many topics: trades, L2 order books, top of book, mark prices, funding, open interest, index prices, candlesticks, tickers, and books you compose across venuesMarket Data WebSocket
REST APIYour organisation’s users and their capabilities, venue credentials, accounts and their balances, addresses, portfolios, policies, and the orders it placesREST API
Trading WebSocketOne session to place and cancel orders and to follow your orders, executions, account balances, accounts, credentials and venue capabilities. No environment serves it yetTrading WebSocket

Access

The API is in private preview. Immix onboards organisations one at a time, and onboarding gives you your organisation’s credentials and the endpoints you may use.

The references on this portal are generated from the contract documents each platform release publishes — nothing in them is written by hand. The Changelog names the release this portal was built from and the version of each API.