Hyperliquid Perp Market Data API

Hyperliquid perp market data -- order books, prices, funding rates, OI, volume, OHLCV candles in one API. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

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

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

{
  "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`	$0.003	L2 order book for a Hyperliquid perp pair
`hyperliquid_get_market_data`	POST	`/api/orderbook`	$0.003	L2 order book for a Hyperliquid perp pair (POST variant)
`hyperliquid_get_all_markets`	GET	`/api/markets`	$0.003	All mid prices, funding rates, OI, volume for every Hyperliquid asset
`hyperliquid_get_all_markets`	POST	`/api/markets`	$0.003	All mid prices, funding rates, OI, volume for every Hyperliquid asset (POST variant)
`hyperliquid_get_candles`	GET	`/api/candles`	$0.002	OHLCV candlestick data for a Hyperliquid perp pair
`hyperliquid_get_candles`	POST	`/api/candles`	$0.002	OHLCV candlestick data for a Hyperliquid perp pair (POST variant)

`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 -- array of bid levels with price and size
asks -- array of ask levels with price and size
midPrice -- current mid price between best bid/ask
markPrice -- oracle mark price used for liquidations
fundingRate -- current hourly funding rate (e.g. 0.0001 = 0.01%)
openInterest -- total open interest in USD
volume24h -- 24-hour trading volume in 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: placing trades on Hyperliquid. Essential for checking spread, depth, and funding before entering a position.

`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. POST variant of hyperliquid_get_market_data -- same params passed as JSON body instead of query string.

Parameters

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

Returns

bids -- array of bid levels with price and size
asks -- array of ask levels with price and size
midPrice -- current mid price between best bid/ask
markPrice -- oracle mark price used for liquidations
fundingRate -- current hourly funding rate (e.g. 0.0001 = 0.01%)
openInterest -- total open interest in USD
volume24h -- 24-hour trading volume in 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: placing trades on Hyperliquid. Essential for checking spread, depth, and funding before entering a position.

`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 -- array of all listed perp assets
totalMarkets -- number of listed perp markets
timestamp -- data timestamp in ISO format

Example response:

{"markets":[{"coin":"BTC","midPrice":67450,"fundingRate":0.00008,"openInterest":1250000000,"volume24h":3400000000,"dayChange":2.3},{"coin":"ETH","midPrice":3520,"fundingRate":0.00012,"openInterest":890000000,"volume24h":1200000000,"dayChange":1.1}],"totalMarkets":148}

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

`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. POST variant of hyperliquid_get_all_markets -- same params passed as JSON body instead of query string.

Parameters: none.

Returns

markets -- array of all listed perp assets
totalMarkets -- number of listed perp markets
timestamp -- data timestamp in ISO format

Example response:

{"markets":[{"coin":"BTC","midPrice":67450,"fundingRate":0.00008,"openInterest":1250000000,"volume24h":3400000000,"dayChange":2.3},{"coin":"ETH","midPrice":3520,"fundingRate":0.00012,"openInterest":890000000,"volume24h":1200000000,"dayChange":1.1}],"totalMarkets":148}

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

`hyperliquid_get_candles`

Use this when you need historical OHLCV candlestick data for a Hyperliquid perpetual pair. Returns open, high, low, close, volume for the specified interval.

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 -- array of OHLCV bars
coin -- the coin symbol queried
interval -- the candle interval used
count -- number of candles returned

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, or charting price history on Hyperliquid perps.

`hyperliquid_get_candles`

Use this when you need historical OHLCV candlestick data for a Hyperliquid perpetual pair. Returns open, high, low, close, volume for the specified interval. POST variant of hyperliquid_get_candles -- same params passed as JSON body instead of query string.

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 -- array of OHLCV bars
coin -- the coin symbol queried
interval -- the candle interval used
count -- number of candles returned

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, or charting price history on Hyperliquid perps.

Example agent prompts

"Hyperliquid perpetual futures data for a specific coin"
"Hyperliquid perpetual futures data for a specific coin"
"A snapshot of all Hyperliquid perpetual markets at once"

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