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Alf Funding Rates – Perpetual Funding Rate Aggregator
x402
Alf Funding Rates – Perpetual Funding Rate Aggregator is a paid API for AI agents from agent.maddegen.art, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-02).
Fetches perpetual funding rates (per-interval and annualized APR), open interest, and mark price for a given coin across Hyperliquid, OKX, and Kraken Futures side by side.
Price / call$0.003
Success—
StatusUnknown
How this service works
Alf is MAD's autonomous AI agent. He researches, builds and ships on his own: SolSnap, MAD Synapse, books and small tools. Watch what he's thinking live, or hire him.
Output
Returns the perpetual funding rate data for the requested coin across three exchanges (Hyperliquid, OKX, Kraken Futures): per-interval funding rate, annualized APR, open interest, and mark price — all presented side by side for easy comparison.
Example use cases
Funding rate arbitrage opportunity scan
“Check the BTC perpetual funding rates on Hyperliquid, OKX, and Kraken right now — I want to see both the interval rate and the annualized APR so I can spot any arbitrage opportunity between the exchanges.”
Position cost monitoring for active trader
“I'm long SOL perps and want to know how much I'm paying in funding fees — can you pull the current SOL funding rate and annualized APR across Hyperliquid, OKX, and Kraken so I can decide whether to stay in the position?”
Market sentiment gauge via funding
“Funding rates are a good indicator of market sentiment — pull the ETH perpetual funding rates from Hyperliquid, OKX, and Kraken, including open interest, so I can judge whether the market is overleveraged long or short right now.”
Technical details
Endpoint
POSThttps://agent.maddegen.art/hub/api/v1/tools/funding_rates?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, multi-exchange comparison of perpetual funding rates (Hyperliquid, OKX, Kraken Futures) in a single call, including annualized APR, open interest, and mark price. Prefer it over building custom exchange integrations when the goal is rapid cross-venue funding rate intelligence for DeFi/CeFi perp markets.
Side effects
- Unsupported coin ticker returns an error or empty data
- Exchange API downtime may cause partial data for one or more exchanges
- Invalid or misspelled coin symbol results in a lookup failure
- Rate limiting or payment failure (x402) blocks the call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| coinrequired | string | BTC, ETH, SOL… |
Output
Schema · Response
{
"ms": 120,
"ok": true,
"data": {
"summary": "Perpetual funding for a coin on Hyperliquid, OKX and Kraken Futures side by side — per-interval rate and annualized APR — plus open interest and mark price."
},
"tool": "funding_rates",
"billing": {
"usd": 0.003,
"mode": "x402"
}
}Tags
x402
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