{"uid":"cap_NhfclhS0f9wAWnA8aUYso","slug":"alf-funding-rates-perpetual-funding-rate-aggregator-42b250e0","name":"Alf Funding Rates – Perpetual Funding Rate Aggregator","description":"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.","url":"https://agent.maddegen.art/hub/api/v1/tools/funding_rates?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["coin"],"properties":{"coin":{"type":"string","description":"BTC, ETH, SOL…"}}},"responseSchema":{"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"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0niL6NAkqp4G9_GKYlxJY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"What are the current perpetual funding rates for ETH across Hyperliquid, OKX, and Kraken — give me the per-interval rate, annualized APR, open interest, and mark price so I can compare them side by side.","exampleUseCases":[{"title":"Funding rate arbitrage opportunity scan","prompt":"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."},{"title":"Position cost monitoring for active trader","prompt":"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?"},{"title":"Market sentiment gauge via funding","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T03:00:39.528Z","isFirstParty":false,"canonicalSlug":"alf-funding-rates-perpetual-funding-rate-aggregator-42b250e0"}