{"uid":"cap_XtWFUiIPeOkVhFluePIUL","slug":"4sec-extreme-funding-rate-scanner-305bcfb7","name":"4SEC Extreme Funding Rate Scanner","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/extreme","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object","example":{"data":{"type":"array","items":{"type":"object"}},"threshold":{"type":"number"},"total_extreme":{"type":"integer"}}},"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_5xxs_NvUmDKZM3lF4IE8V","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 a list of crypto assets with extreme funding rates across multiple DEXs, along with the threshold and total count of extreme cases","exampleAgentPrompt":"Show me all crypto assets with extreme funding rates right now across DEXs — I want to know which tokens are at the threshold and how many total are flagged.","exampleUseCases":[{"title":"Funding rate arbitrage signal detection","prompt":"Which crypto tokens currently have extreme funding rates across DEXes? I want to look for potential arbitrage or mean-reversion trades."},{"title":"Overleveraged market early warning","prompt":"Are there any perpetual futures markets with dangerously extreme funding rates right now? I need to know the threshold being used and how many assets are flagged."},{"title":"DeFi risk monitoring dashboard","prompt":"Pull the latest list of crypto assets showing extreme funding rate conditions — I'm building a risk monitor and need the current extreme count and threshold value."}],"resultDescription":"Returns a JSON object containing an array of crypto asset data items with extreme funding rates, the numeric threshold used to define 'extreme', and an integer count of total assets currently meeting that extreme threshold condition.","failureModes":["Payment not provided or insufficient USDC balance via x402 protocol returns 402 Payment Required","Invalid or malformed query parameters return a 400 Bad Request","Service temporarily unavailable or upstream DEX data outage returns 503","No assets currently meet the extreme threshold, returning an empty data array with total_extreme of 0"],"whenToPreferThis":"Choose this endpoint when you need a pre-filtered, aggregated view of only the most extreme funding rate conditions across multiple DEXs in real time, rather than pulling all funding rates and filtering yourself. It is especially useful for risk monitoring, arbitrage scanning, or alerting workflows where you only care about outliers. Prefer this over general market data endpoints when your specific need is funding rate extremes, not price or volume data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T13:26:39.410Z","isFirstParty":false}