{
  "markdown": "# Hyperliquid Perp Market Data API\n\n[![MCP Server](https://img.shields.io/badge/MCP-server-blue)](https://hyperliquid-data.api.klymax402.com/mcp)\n[![x402](https://img.shields.io/badge/payments-x402-6E56CF)](https://x402.org)\n[![License: MIT](https://img.shields.io/badge/license-MIT-green)](LICENSE)\n\nHyperliquid perp market data -- order books, prices, funding rates, OI, volume, OHLCV candles in one API. Pay-per-call via [x402](https://x402.org) (USDC on Base L2) -- no API key, no signup, no rate-limit wall.\n\nPart of the [klymax402](https://klymax402.com) marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.\n\n## Quickstart -- MCP\n\nAdd to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):\n\n```json\n{\n  \"mcpServers\": {\n    \"hyperliquid-data\": {\n      \"url\": \"https://hyperliquid-data.api.klymax402.com/mcp\"\n    }\n  }\n}\n```\n\n## Quickstart -- HTTP (x402)\n\n```bash\ncurl \"https://hyperliquid-data.api.klymax402.com/api/orderbook?coin=BTC\"\n# -> 402 Payment Required, with an x402 payment challenge in the response body\n```\n\nAny x402-aware client ([`@x402/fetch`](https://www.npmjs.com/package/@x402/fetch), [`x402-agent-tools`](https://www.npmjs.com/package/x402-agent-tools), ATXP) handles the 402 -> sign -> retry cycle automatically.\n\n## Tools\n\n| Tool | Method | Path | Price | Description |\n|---|---|---|---|---|\n| `hyperliquid_get_market_data` | GET | `/api/orderbook` | $0.003 | L2 order book for a Hyperliquid perp pair |\n| `hyperliquid_get_market_data` | POST | `/api/orderbook` | $0.003 | L2 order book for a Hyperliquid perp pair (POST variant) |\n| `hyperliquid_get_all_markets` | GET | `/api/markets` | $0.003 | All mid prices, funding rates, OI, volume for every Hyperliquid asset |\n| `hyperliquid_get_all_markets` | POST | `/api/markets` | $0.003 | All mid prices, funding rates, OI, volume for every Hyperliquid asset (POST variant) |\n| `hyperliquid_get_candles` | GET | `/api/candles` | $0.002 | OHLCV candlestick data for a Hyperliquid perp pair |\n| `hyperliquid_get_candles` | POST | `/api/candles` | $0.002 | OHLCV candlestick data for a Hyperliquid perp pair (POST variant) |\n\n### `hyperliquid_get_market_data`\n\nUse 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.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `coin` | string | yes | Coin symbol (e.g. BTC, ETH, SOL, ARB, DOGE) |\n\n**Returns**\n\n- `bids` -- array of bid levels with price and size\n- `asks` -- array of ask levels with price and size\n- `midPrice` -- current mid price between best bid/ask\n- `markPrice` -- oracle mark price used for liquidations\n- `fundingRate` -- current hourly funding rate (e.g. 0.0001 = 0.01%)\n- `openInterest` -- total open interest in USD\n- `volume24h` -- 24-hour trading volume in USD\n\nExample response:\n\n```json\n{\"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}]}\n```\n\n**When to use**: placing trades on Hyperliquid. Essential for checking spread, depth, and funding before entering a position.\n\n### `hyperliquid_get_market_data`\n\nUse 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.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `coin` | string | yes | Coin symbol (e.g. BTC, ETH, SOL, ARB, DOGE) |\n\n**Returns**\n\n- `bids` -- array of bid levels with price and size\n- `asks` -- array of ask levels with price and size\n- `midPrice` -- current mid price between best bid/ask\n- `markPrice` -- oracle mark price used for liquidations\n- `fundingRate` -- current hourly funding rate (e.g. 0.0001 = 0.01%)\n- `openInterest` -- total open interest in USD\n- `volume24h` -- 24-hour trading volume in USD\n\nExample response:\n\n```json\n{\"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}]}\n```\n\n**When to use**: placing trades on Hyperliquid. Essential for checking spread, depth, and funding before entering a position.\n\n### `hyperliquid_get_all_markets`\n\nUse 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.\n\n**Parameters**: none.\n\n**Returns**\n\n- `markets` -- array of all listed perp assets\n- `totalMarkets` -- number of listed perp markets\n- `timestamp` -- data timestamp in ISO format\n\nExample response:\n\n```json\n{\"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}\n```\n\n**When to use**: screening all Hyperliquid markets, finding highest funding rates, or building a market overview dashboard.\n\n### `hyperliquid_get_all_markets`\n\nUse 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.\n\n**Parameters**: none.\n\n**Returns**\n\n- `markets` -- array of all listed perp assets\n- `totalMarkets` -- number of listed perp markets\n- `timestamp` -- data timestamp in ISO format\n\nExample response:\n\n```json\n{\"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}\n```\n\n**When to use**: screening all Hyperliquid markets, finding highest funding rates, or building a market overview dashboard.\n\n### `hyperliquid_get_candles`\n\nUse this when you need historical OHLCV candlestick data for a Hyperliquid perpetual pair. Returns open, high, low, close, volume for the specified interval.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `coin` | string | yes | Coin symbol (e.g. BTC, ETH, SOL) |\n| `interval` | string | no | Candle interval (1m, 5m, 15m, 1h, 4h, 1d) |\n| `limit` | number | no | Number of candles to return (default 100, max 5000) |\n\n**Returns**\n\n- `candles` -- array of OHLCV bars\n- `coin` -- the coin symbol queried\n- `interval` -- the candle interval used\n- `count` -- number of candles returned\n\nExample response:\n\n```json\n{\"coin\":\"BTC\",\"interval\":\"1h\",\"count\":100,\"candles\":[{\"timestamp\":\"2026-04-13T10:00:00Z\",\"open\":67200,\"high\":67550,\"low\":67100,\"close\":67450,\"volume\":45000000}]}\n```\n\n**When to use**: technical analysis, backtesting strategies, or charting price history on Hyperliquid perps.\n\n### `hyperliquid_get_candles`\n\nUse 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.\n\n**Parameters**\n\n| Name | Type | Required | Description |\n|---|---|---|---|\n| `coin` | string | yes | Coin symbol (e.g. BTC, ETH, SOL) |\n| `interval` | string | no | Candle interval (1m, 5m, 15m, 1h, 4h, 1d) |\n| `limit` | number | no | Number of candles to return (default 100, max 5000) |\n\n**Returns**\n\n- `candles` -- array of OHLCV bars\n- `coin` -- the coin symbol queried\n- `interval` -- the candle interval used\n- `count` -- number of candles returned\n\nExample response:\n\n```json\n{\"coin\":\"BTC\",\"interval\":\"1h\",\"count\":100,\"candles\":[{\"timestamp\":\"2026-04-13T10:00:00Z\",\"open\":67200,\"high\":67550,\"low\":67100,\"close\":67450,\"volume\":45000000}]}\n```\n\n**When to use**: technical analysis, backtesting strategies, or charting price history on Hyperliquid perps.\n\n## Example agent prompts\n\n- \"Hyperliquid perpetual futures data for a specific coin\"\n- \"Hyperliquid perpetual futures data for a specific coin\"\n- \"A snapshot of all Hyperliquid perpetual markets at once\"\n\n## Payment\n\n- Protocol: [x402](https://x402.org) -- HTTP-native pay-per-call, no signup, no API key\n- Network: Base L2 (`eip155:8453`)\n- Asset: USDC\n- Facilitator: Coinbase CDP (primary), PayAI (fallback)\n- Also reachable via [ATXP](https://atxp.ai) (OAuth-wrapped x402, RFC 9728 protected-resource metadata)\n\n## Part of klymax402\n\n100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.\n\n- Catalog: https://klymax402.com/llms.txt\n- Full API reference: https://klymax402.com/llms-full.txt\n- Live stats: https://klymax402.com/stats\n\n## License\n\nMIT\n",
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