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Hyperliquid Perpetual Funding Rates API
x402
Hyperliquid Perpetual Funding Rates API is a paid API for AI agents from opportunity-api-production.up.railway.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Fetches perpetual futures funding rates from Hyperliquid — top-15 extremes or specified symbols — with hourly and annualized percentages, mark price, and open interest as crowded-positioning signals.
Price / call$0.005
Success—
StatusUnknown
How this service works
Perp funding rates (Hyperliquid): top-15 extremes or requested symbols, hourly + annualized %, mark price, open interest. Crowded-positioning signal for trading agents. Param: symbols (optional, e.g. BTC,ETH,SOL).
Output
Returns a list of up to 15 perpetual markets (or the requested symbols) with: symbol name, hourly funding rate (%), annualized funding rate (%), current mark price, and open interest in USD. Useful for identifying overfunded or underfunded positions and crowded directional bets.
Example use cases
Example prompt
“What are the most extreme perp funding rates on Hyperliquid right now — show me the top 15 by absolute rate with their annualized percentages, mark prices, and open interest so I can spot crowded positions.”
Technical details
Endpoint
GEThttps://opportunity-api-production.up.railway.app/api/funding-ratesWhen to prefer
Use this endpoint when you need real-time perpetual funding rate data from Hyperliquid specifically, want to identify the most extreme funding conditions across the market (top-15 ranking), or need open interest alongside funding for crowded-trade analysis. Prefer over generic aggregators when Hyperliquid-specific data is required.
Side effects
- Invalid symbol name returns empty or error response
- Network timeout if Hyperliquid API is temporarily unavailable
- Stale data if the upstream feed has a lag
- Payment failure (402) if x402 USDC payment is not included or rejected
- No data returned if requested symbol has no active perp market on Hyperliquid
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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