{"uid":"cap_chBij0c96H4tbDYNe3EpR","slug":"4sec-crypto-funding-rate-api-d7b313f6","name":"4SEC Crypto Funding Rate API","description":"Real-time multi-DEX aggregated crypto market data. Pay per request with USDC on Base via x402 protocol.","url":"https://api.foursec.xyz/funding-rate/%7Bsymbol%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object","example":{"signal":{"type":"string"},"symbol":{"type":"string"},"funding_rate":{"type":"number"},"annualized_rate":{"type":"number"},"next_funding_time":{"type":"string","format":"date-time"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_-PBjbC0SFenYsO6CFRAMf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time perpetual futures funding rate data for a given crypto symbol, aggregated across multiple DEXes","exampleAgentPrompt":"What's the current funding rate and annualized rate for BTC perpetuals right now, and when is the next funding time?","exampleUseCases":[{"title":"Crypto arbitrage funding rate check","prompt":"What's the current funding rate for ETH perpetuals and is the signal positive or negative? I want to decide whether to go long or short."},{"title":"Automated trading signal monitor","prompt":"Pull the latest funding rate data for SOL including the annualized rate and next funding time — I'm building a bot that trades based on funding rate extremes."},{"title":"DeFi portfolio risk assessment","prompt":"Check the current funding rate for BTC across DEXes and tell me when the next funding event is — I need to know if I should adjust my leveraged position."}],"resultDescription":"Returns a JSON object containing the crypto symbol, a directional signal string (e.g. bullish/bearish), the current funding rate as a decimal, the annualized funding rate, and the timestamp of the next funding event.","failureModes":["Unknown or unsupported symbol returns an error or empty result","Funding rate data temporarily unavailable for low-liquidity tokens","Payment failure via x402 protocol results in 402 response and no data","Malformed symbol input may return 400 bad request","Rate or aggregation lag during high-volatility periods"],"whenToPreferThis":"Choose this endpoint when you need real-time perpetual futures funding rate data aggregated across multiple DEXes in a single call, particularly when operating in a pay-per-use agent workflow using the x402 protocol on Base. Prefer this over centralized exchange APIs when you specifically want multi-DEX DeFi coverage and cost-efficient micropayment billing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T14:26:33.592Z","isFirstParty":false}