Unified Websocket API

Jsonrpc

JSON-RPC 2.0 request-response operations for trading and queries (available on hyperliquid, aster, lighter, kuru, hyena, grvt, and nado servers). Note - modifyOrder, and batchModifyOrder are not available on aster. batchPlaceOrder, cancelAllOrders, modifyOrder, and batchModifyOrder are not available on kuru.

Servers

WSShyperliquid
wss://api.hypereth.io/v2/hyperliquid/ws

Operations

Send

Receive

Messages

Security Schemes

Liquidation Trades WSS

Liquidation executions - symbol-scoped or user-scoped (available on hyperliquid, aster, lighter, hyena, grvt, and nado servers only). **Not available on kuru** (spot DEX - no liquidations). At least one of address OR accountId required.

Cross Dex Subscription WSS

Channel for cross-DEX aggregation subscriptions (available ONLY on the 'all' server at wss://api.hypereth.io/v2/all/ws)