Brokers Overview

System R supports 25 brokers and exchanges. Connect any broker through a single endpoint and trade across 9 asset classes.

Connect a broker

curl -X POST https://agents.systemr.ai/v1/broker/connect \
  -H "X-API-Key: sr_agent_..." \
  -H "Content-Type: application/json" \
  -d '{
    "broker_type": "alpaca",
    "connection_params": {
      "api_key": "PK...",
      "api_secret": "...",
      "paper": "true"
    }
  }'

Sandbox agents can only connect to the demo broker. Switch to live mode before connecting a real broker.

All supported brokers

Broker	ID	Markets	Auth Method
Interactive Brokers	ibkr	Equities, options, futures, forex	Host/port/client_id
Charles Schwab	schwab	Equities, options	OAuth2 (app_key, app_secret)
Alpaca	alpaca	US equities, options, crypto	API key/secret
Tradier	tradier	US equities, options	Access token
Tastytrade	tastytrade	Equities, options, futures	Username/password
TradeStation	tradestation	Equities, options, futures	OAuth2 (client_id, client_secret)
E*TRADE	etrade	Equities, options	OAuth 1.0a
OANDA	oanda	Forex, CFDs	API token + account ID
Binance	binance	Spot, USDT-M futures	API key/secret
Bybit	bybit	Spot, USDT perps, inverse perps, options	API key/secret
OKX	okx	Spot, margin, swaps, futures, options	API key, secret, passphrase
Coinbase	coinbase	Spot	API key/secret
Kraken	kraken	Spot, margin	API key, private key
Deribit	deribit	Crypto options, futures	Client ID/secret
KuCoin	kucoin	Spot, margin, futures	API key, secret, passphrase
Gate.io	gateio	Spot, margin, futures, options	API key/secret
Gemini	gemini	Spot (US regulated)	API key/secret
Bitfinex	bitfinex	Spot, margin, derivatives	API key/secret
Aster	aster	Perpetuals	API key/secret
Hyperliquid	hyperliquid	On-chain perpetuals	Private key
dYdX	dydx	Decentralized perpetuals	ETH address, API key/secret/passphrase
Drift	drift	Solana perpetuals	Wallet pubkey, private key
Polymarket	polymarket	Prediction markets (CLOB)	API key, secret, passphrase
Kalshi	kalshi	CFTC-regulated event contracts	Email/password or API key
Demo	demo	Paper trading	None

By category

• Traditional brokers (7): IBKR, Schwab, Alpaca, Tradier, Tastytrade, TradeStation, E*TRADE
• Crypto exchanges (11): Binance, Bybit, OKX, Coinbase, Kraken, Deribit, KuCoin, Gate.io, Gemini, Bitfinex, Aster
• DeFi protocols (3): Hyperliquid, dYdX, Drift
• Prediction markets (2): Polymarket, Kalshi
• Forex (1): OANDA
• Paper (1): Demo

Broker credentials are encrypted

When you connect a broker, System R encrypts your credentials using per-agent AES-256 keys. Credentials are decrypted only at the moment of broker API calls. System R cannot read your broker credentials at rest.

Endpoints

Endpoint	Method	Description
/v1/broker/supported	GET	List all supported brokers (no auth).
/v1/broker/connect	POST	Connect to a broker.
/v1/broker/disconnect	POST	Disconnect from broker.
/v1/broker/account	GET	Get account info (equity, buying power).
/v1/broker/positions	GET	Get current positions.
/v1/broker/order	POST	Place an order ($0.015).
/v1/broker/order/[id]/cancel	POST	Cancel a pending order.
/v1/broker/orders	GET	List all orders.