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Hyperliquid WebSocket API

Real-time WebSocket feed delivering order-book deltas, trades, candles, BBO, user fills, user funding, user-events, and active asset context. Also supports WebSocket-based POST actions for low-latency order management.

Hyperliquid WebSocket API is one of 7 APIs that Hyperliquid publishes on the APIs.io network, described by an AsyncAPI event-driven specification.

Tagged areas include WebSocket, Streaming, Order Book, and Real-Time. The published artifact set on APIs.io includes API documentation and an AsyncAPI specification.

Requests are made against the base URL wss://api.hyperliquid.xyz/ws.

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI
Base URL
wss://api.hyperliquid.xyz/ws

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

hyperliquid-asyncapi.yml Raw ↑

Other APIs Hyperliquid publishes across the network.

Hyperliquid REST API
Hyperliquid Python SDK
Hyperliquid Rust SDK
Hyperliquid Node
HyperEVM JSON-RPC
Hyperliquid Info API
Where this information came from

This is an independent, third-party profile of Hyperliquid WebSocket API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.

The Kin Score and Agent Readiness rating are independently calculated assessments of a company's public API artifacts, scored against a published rubric. They are not certifications, endorsements, security assessments, or audits.

Corrections, re-scores, and removal are free — no partnership or purchase required, and you do not need to justify the request. A removed company is recorded as unrated, never scored zero for having asked. Acknowledgement within one business day; removal within two.

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