Hyperliquid Perp Market Data API

Hyperliquid perpetual futures market data — L2 order books, mid/mark prices, funding rates, open interest, volume, and OHLCV candles, in one API. Pay-per-call via x402 (USDC on Base L2) — no API key, no signup.

Part of the klymax402 marketplace — 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart — MCP

{
  "mcpServers": {
    "hyperliquid-data": {
      "url": "https://hyperliquid-data.api.klymax402.com/mcp"
    }
  }
}

Quickstart — HTTP (x402)

curl "https://hyperliquid-data.api.klymax402.com/api/orderbook?coin=BTC"
# → 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 → sign → retry cycle automatically.

Tools

Tool	Method	Path	Price	Description
hyperliquid_get_market_data	GET	/api/orderbook	$0.001	L2 order book for a Hyperliquid perp pair
hyperliquid_get_all_markets	GET	/api/markets	$0.001	Mid prices, funding, OI, volume for every listed asset
hyperliquid_get_candles	GET	/api/candles	$0.002	OHLCV candlestick data for a Hyperliquid perp pair

hyperliquid_get_market_data

Use this when you need Hyperliquid perpetual futures data for a specific coin. Returns full L2 order book depth with real-time pricing and funding metrics in one call.

Parameters

Name	Type	Required	Description
coin	string	yes	Coin symbol (e.g. BTC, ETH, SOL, ARB, DOGE)

Returns: bids/asks (price+size levels), midPrice, markPrice, fundingRate (hourly), openInterest (USD), volume24h (USD).

Example response:

{"midPrice":67450.5,"markPrice":67448.2,"fundingRate":0.00008,"openInterest":1250000000,"volume24h":3400000000,"bids":[{"price":67450,"size":12.5}],"asks":[{"price":67451,"size":8.3}]}

When to use: before placing trades on Hyperliquid — essential for checking spread, depth, and funding before entering a position.

Not for: EVM gas (use gas_get_current_price), spot DEX quotes (use dex_get_swap_quote), whale positions (use hyperliquid_track_whale_positions).

hyperliquid_get_all_markets

Use this when you need a snapshot of all Hyperliquid perpetual markets at once. Returns pricing, funding, and volume data for every listed asset in a single call.

Parameters: none.

Returns: markets[] (coin, midPrice, markPrice, fundingRate, openInterest, volume24h, dayChange per asset), totalMarkets, timestamp.

Example response:

{"markets":[{"coin":"BTC","midPrice":67450,"fundingRate":0.00008,"openInterest":1250000000,"volume24h":3400000000,"dayChange":2.3}],"totalMarkets":148}

When to use: screening all Hyperliquid markets, finding highest funding rates, building a market overview dashboard.

Not for: a single coin order book (use hyperliquid_get_market_data), spot DEX quotes (use dex_get_swap_quote), vault performance (use hyperliquid_get_vault_data).

hyperliquid_get_candles

Use this when you need historical OHLCV candlestick data for a Hyperliquid perpetual pair.

Parameters

Name	Type	Required	Description
coin	string	yes	Coin symbol (e.g. BTC, ETH, SOL)
interval	string	no	Candle interval: 1m, 5m, 15m, 1h, 4h, 1d
limit	number	no	Number of candles to return (default 100, max 5000)

Returns: candles[] (timestamp, open, high, low, close, volume per bar), coin, interval, count.

Example response:

{"coin":"BTC","interval":"1h","count":100,"candles":[{"timestamp":"2026-04-13T10:00:00Z","open":67200,"high":67550,"low":67100,"close":67450,"volume":45000000}]}

When to use: technical analysis, backtesting strategies, charting price history on Hyperliquid perps.

Not for: real-time order book (use hyperliquid_get_market_data), spot DEX quotes (use dex_get_swap_quote), whale tracking (use hyperliquid_track_whale_positions).

Example agent prompts

• "What's the current funding rate and order book depth for BTC on Hyperliquid?"
• "Give me a snapshot of all Hyperliquid perp markets sorted by funding rate"
• "Pull the last 100 1h candles for ETH on Hyperliquid for a backtest"

Payment

• Protocol: x402 — HTTP-native pay-per-call, no signup, no API key
• Network: Base L2 (eip155:8453)
• Asset: USDC
• Facilitator: Coinbase CDP (primary), PayAI (fallback)
• Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents — one wallet, USDC on Base, zero signup.

• Catalog: https://klymax402.com/llms.txt
• Full API reference: https://klymax402.com/llms-full.txt
• Live stats: https://klymax402.com/stats

License

MIT