Lux Broker

Institutional federated broker with smart order routing across 16 providers.

Providers

Provider	Asset Classes	Type
Alpaca	Equities, Crypto	Broker-dealer
Interactive Brokers	Equities, Options, Futures, FX	Prime broker
Tradier	Equities, Options	Broker-dealer
Coinbase	Crypto	Exchange (Advanced Trade)
Binance	Crypto	Exchange
Kraken	Crypto	Exchange
Gemini	Crypto	Exchange
SFOX	Crypto	Prime dealer / SOR
FalconX	Crypto	Institutional RFQ
Fireblocks	Crypto	Custody + OTC
BitGo	Crypto	Custody + Prime
Circle	USDC / Stablecoins	Stablecoin infrastructure
CurrencyCloud	FX (35 pairs)	Institutional FX (Visa)
LMAX	FX, Crypto, Metals	Institutional CLOB
Polygon.io	Equities, FX, Crypto	Market data
Finix	Payments	Payment processing

Features

• Smart Order Routing — Fee-aware net-price optimization across all venues
• Order Splitting — Automatic split across venues for large orders (VWAP)
• Pre-Trade Risk — Position limits, rate limits, concentration checks
• Best Execution — FINRA Rule 5310 / MiFID II compliant routing
• Multi-Asset — Crypto, equities, FX, options, futures, precious metals
• TWAP Scheduling — Time-weighted execution for large orders

Architecture

Client Request
      |
  [brokerd :8090]
      |
  [Smart Order Router]
      |
  +---+---+---+---+---+
  |   |   |   |   |   |
 CEX DEX  LP  LP  LP ...  (16 providers)
      |
  [Risk Engine]
      |
  [Fee Calculator]  →  Net-price ranking
      |
  [Split Engine]    →  Multi-venue fills
      |
  Response (fills, VWAP)

Quick Start

# Build
go build -o brokerd ./cmd/brokerd/

# Run (configure at least one provider)
ALPACA_API_KEY=... ALPACA_API_SECRET=... ./brokerd

# Or with multiple providers
ALPACA_API_KEY=... COINBASE_API_KEY=... KRAKEN_API_KEY=... ./brokerd

API

All endpoints under /api/v1/ on port :8090 (configurable via BROKER_LISTEN).

Accounts

Method	Path	Description
POST	/api/v1/{provider}/accounts	Create account
GET	/api/v1/{provider}/accounts	List accounts
GET	/api/v1/{provider}/accounts/{id}	Get account
GET	/api/v1/{provider}/accounts/{id}/portfolio	Get portfolio

Orders

Method	Path	Description
POST	/api/v1/{provider}/accounts/{id}/orders	Create order
GET	/api/v1/{provider}/accounts/{id}/orders	List orders
GET	/api/v1/{provider}/accounts/{id}/orders/{oid}	Get order
DELETE	/api/v1/{provider}/accounts/{id}/orders/{oid}	Cancel order

Smart Router

Method	Path	Description
POST	/api/v1/route/order	Route order to best venue
GET	/api/v1/route/capabilities	Provider capabilities

Market Data

Method	Path	Description
GET	/api/v1/{provider}/market/snapshot/{symbol}	Price snapshot
GET	/api/v1/{provider}/market/bars/{symbol}	OHLCV bars
GET	/api/v1/{provider}/market/trades/{symbols}	Latest trades
GET	/api/v1/{provider}/market/quotes/{symbols}	Latest quotes
GET	/api/v1/{provider}/market/clock	Market clock

Assets

Method	Path	Description
GET	/api/v1/{provider}/assets	List assets
GET	/api/v1/{provider}/assets/{symbol}	Get asset

Configuration

Env Var	Description
BROKER_LISTEN	Listen address (default :8090)
ALPACA_API_KEY / ALPACA_API_SECRET	Alpaca credentials
IBKR_ACCESS_TOKEN / IBKR_ACCOUNT_ID	Interactive Brokers
COINBASE_API_KEY / COINBASE_API_SECRET	Coinbase Advanced Trade
BINANCE_API_KEY / BINANCE_API_SECRET	Binance
KRAKEN_API_KEY / KRAKEN_API_SECRET	Kraken
GEMINI_API_KEY / GEMINI_API_SECRET	Gemini
SFOX_API_KEY	SFOX Prime
FALCON_API_KEY / FALCON_API_SECRET / FALCON_PASSPHRASE	FalconX
FIREBLOCKS_API_KEY / FIREBLOCKS_PRIVATE_KEY	Fireblocks
BITGO_ACCESS_TOKEN / BITGO_ENTERPRISE	BitGo
CIRCLE_API_KEY	Circle
TRADIER_ACCESS_TOKEN / TRADIER_ACCOUNT_ID	Tradier
POLYGON_API_KEY	Polygon.io (market data)
CURRENCYCLOUD_LOGIN_ID / CURRENCYCLOUD_API_KEY	CurrencyCloud FX
LMAX_API_KEY / LMAX_USERNAME / LMAX_PASSWORD	LMAX Digital
FINIX_USERNAME / FINIX_PASSWORD	Finix payments

Docker

CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -ldflags="-w -s" -o brokerd ./cmd/brokerd/
docker build --platform linux/amd64 -t ghcr.io/luxfi/broker:latest .

License

Copyright 2024-2026, Lux Partners Limited. All rights reserved.