Hyperliquid Funding Rates API

Real-time and historical funding rate data for all 229 Hyperliquid perpetual markets. Sort by rate, pull history, and find arbitrage opportunities -- all via a single x402-powered API.

What It Does / Endpoints

| Endpoint | Method | Price | Description | |----------|--------|-------|-------------| | /api/rates | POST | $0.002 | Current funding rates for all 229 perp markets, sorted by rate | | /api/history | POST | $0.002 | Historical funding rate data for a specific coin | | /api/arb | POST | $0.003 | Find funding rate arbitrage opportunities (extreme rates) |

Example Request/Response

GET /

{
  "api": "Hyperliquid Funding Rates API",
  "status": "online",
  "protocol": "x402",
  "network": "base-mainnet"
}

POST /api/rates

Request: ``json { "sort": "abs" } ` Response: `json { "totalMarkets": 229, "sort": "abs", "timestamp": "2026-04-13T12:00:00.000Z", "rates": [ { "coin": "PEPE", "fundingRate": 0.0005, "annualizedRate": 54.75, "premium": 0.001, "openInterest": 85000000, "markPrice": 0.0000125 }, { "coin": "BTC", "fundingRate": 0.000125, "annualizedRate": 13.69, "premium": 0.0002, "openInterest": 1250000000, "markPrice": 68500.5 } ] } ``

POST /api/history

Request: ``json { "coin": "ETH", "hours": 24 } ` Response: `json { "coin": "ETH", "hours": 24, "timestamp": "2026-04-13T12:00:00.000Z", "entries": [ { "time": "2026-04-13T08:00:00.000Z", "fundingRate": 0.0001, "annualizedRate": 10.95 }, { "time": "2026-04-13T00:00:00.000Z", "fundingRate": 0.00012, "annualizedRate": 13.14 }, { "time": "2026-04-12T16:00:00.000Z", "fundingRate": 0.00008, "annualizedRate": 8.76 } ], "summary": { "count": 3, "avgRate": 0.0001, "avgAnnualized": 10.95, "minRate": 0.00008, "maxRate": 0.00012, "stdDev": 0.00001633 } } ``

POST /api/arb

Request: ``json { "threshold": 0.0001 } ` Response: `json { "threshold": 0.0001, "totalOpportunities": 12, "longOpportunities": 5, "shortOpportunities": 7, "timestamp": "2026-04-13T12:00:00.000Z", "opportunities": [ { "coin": "PEPE", "fundingRate": 0.0005, "annualizedRate": 54.75, "direction": "short opportunity", "openInterest": 85000000, "markPrice": 0.0000125, "premium": 0.001 } ] } ``

Use Cases

• Carry Trade Analysis -- Find coins where you earn funding by taking the opposite side of crowded trades
• Market Sentiment -- High positive funding = market is overly long; high negative = overly short
• Delta-Neutral Strategies -- Combine spot + perp positions to harvest funding without directional risk
• Backtesting -- Use historical funding data to validate funding-based trading strategies
• Cross-Exchange Arb -- Compare Hyperliquid funding with CEX rates to find cross-venue opportunities

MCP Integration

Claude Desktop / Cursor

{
  "mcpServers": {
    "hl-funding": {
      "url": "https://PLACEHOLDER.up.railway.app/sse"
    }
  }
}

Smithery

smithery mcp install axel-belfort/hl-funding

Payment

All endpoints are gated by x402 protocol. Agents pay automatically with USDC on Base L2 -- no API keys, no accounts, no subscriptions. Just send a request and the payment is settled in under 2 seconds.

Related APIs

• hyperliquid-data -- Full market data (orderbook, trades, candles)
• hl-vaults -- Hyperliquid vault performance and details
• hyperliquid-whales -- Track whale positions and large trades
• funding-rates -- Multi-exchange funding rate comparison
• funding-arb -- Cross-exchange funding arbitrage scanner