API Reference

Complete reference of all Cadenza API endpoints organized by domain.

Authentication

User authentication and session management.

Operation	Description	HTTP API	WebSocket RPC
Login	Authenticate with email/password	POST /api/v3/auth/login	-
Logout	End current session	POST /api/v3/auth/logout	-
Signup	Create new account	POST /api/v3/auth/signup	-
Token Refresh	Refresh access token	POST /api/v3/auth/token-refresh	-
Get User	Get current user info	GET /api/v3/auth/user	-
Update User	Update user info	PUT /api/v3/auth/user	-

Market Data

Market data including venues, instruments, and order books.

Operation	Description	HTTP API	WebSocket RPC
List Venues	Get available exchanges	GET /api/v3/market/venue/list	query.venue.list
List Instruments	Get tradeable instruments	GET /api/v3/market/instrument/list	query.instrument.list
Sync Instruments	Sync instruments from exchange	POST /api/v3/market/instrument/sync	command.instrument.sync
Enable Instrument	Enable instrument for trading	-	command.instrument.enable
Disable Instrument	Disable instrument	-	command.instrument.disable
Get Order Book	Get order book for instrument	GET /api/v3/market/orderBook/get	query.orderbook.get
List Order Books	Get multiple order books	GET /api/v3/market/orderBook/list	query.orderbook.list

Trade Orders

Order submission and management.

Operation	Description	HTTP API	WebSocket RPC
Submit Order	Submit new trade order	POST /api/v3/tradeOrder/submit	command.trade_order.submit
Cancel Order	Cancel existing order	POST /api/v3/tradeOrder/cancel	command.trade_order.cancel
Get Order	Get order details	GET /api/v3/tradeOrder/get	query.trade_order.get
List Orders	List orders with filters	GET /api/v3/tradeOrder/list	query.trade_order.list

Trading Accounts

Exchange account connection and management.

Operation	Description	HTTP API	WebSocket RPC
Connect Account	Connect exchange account	POST /api/v3/tradingAccount/connect	command.trading_account.connect
Disconnect Account	Disconnect exchange account	POST /api/v3/tradingAccount/disconnect	command.trading_account.disconnect
Enable Account	Enable trading account	-	command.trading_account.enable
Disable Account	Disable trading account	-	command.trading_account.disable
List Accounts	List connected accounts	GET /api/v3/tradingAccount/list	query.trading_account.list
List Portfolio	Get account balances	GET /api/v3/tradingAccount/portfolio/list	query.portfolio.list
Get Portfolio	Get specific portfolio	-	query.portfolio.get

Credentials

API credential management for exchange accounts.

Operation	Description	HTTP API	WebSocket RPC
Create Credential	Store new API credential	POST /api/v3/credential/create	command.credential.create
List Credentials	List stored credentials	GET /api/v3/credential/list	query.credential.list
Revoke Credential	Delete stored credential	POST /api/v3/credential/revoke	command.credential.revoke
Verify Credential	Verify credential validity	-	command.credential.verify

Subscriptions

Real-time data subscription management (WebSocket only).

Operation	Description	HTTP API	WebSocket RPC
Create Subscription	Subscribe to data channel	-	command.subscription.create
List Subscriptions	List active subscriptions	-	query.subscription.list

System

System health and information.

Operation	Description	HTTP API	WebSocket RPC
Health Check	Check API health	GET /api/v3/health	query.system.check
System Info	Get system information	GET /api/v3	query.system.info

Real-time Channels

WebSocket subscription channels for streaming data.

Channel	Description
market:orderBook:{instrumentId}	Order book updates
market:trade:{instrumentId}	Trade updates
tradingAccount:{accountId}	Order and portfolio updates