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Get a key, make a request, then open the API or tool that fits the job.

Start
Quick Start
Coverage
Hyperliquid, Lighter.xyz, HIP-3
Also here
Replay, SDKs, CLI, AI clients
Open Quick Start
Create account

Start with the job at hand

Quick Start gets you live. The rest of the docs split by interface and decision type.

First request
Start hereCreate a key and make the first authenticated request.
REST reference
ReferenceRoute families, credits, parameters, and examples.
WebSocket live/replay
Live + replayLive subscriptions, replay, and gap events on one socket.
SDKs
Typed clientsOfficial clients for Python, TypeScript, and Rust.
Playground
Browser checkRun a request in the browser and inspect the response.
Guides
Decision supportDecide venue fit, cost, and data continuity.
AI Clients
AutomationClaude Code skill and MCP setup.
CLI
ShellShell access with JSON output and stable exit codes.
Wallet Automation
SIWE + x402SIWE signup, wallet-managed keys, and x402 billing.

What lives here

Market data, transport, tooling, and monitoring.

Venue

Hyperliquid

Core perp coverage with long history, order flow, liquidations, and monitoring.

Venue

Lighter.xyz

L2/L3 depth plus reconstruction-heavy historical data.

Market family

HIP-3

Builder perps inside the Hyperliquid namespace, documented alongside the core API.

Transport

Historical replay

The socket handles both live traffic and historical replay.

Monitoring

Data quality

Freshness, incidents, coverage, latency, and health routes live in the reference.

Two strong starting points

Create accountCreate the account and mint the first API key.Open PlaygroundUse the browser for a quick live response check.