{"uid":"cap_oMyRz5DwiZ2lhtX-3MbvV","slug":"crypto-funding-rate-open-interest-data-8074adc6","name":"Crypto Funding Rate & Open Interest Data","description":"Pay-per-call crypto technical analysis for AI agents (x402, USDC on Base). Daily trend regime, Donchian levels, ATR stops, signals and backtests computed with the code of a live trend-following bot from Binance spot klines.","url":"https://vmi3089643.contaboserver.net/v1/funding/%7Bsymbol%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"symbol":"BTCUSDT","markPrice":77236.9,"indexPrice":77268.9,"openInterest":103431.6,"lastFundingRate":0.000053,"nextFundingTime":"2026-09-12T08:00:00.000Z","openInterestUsd":7989000000,"fundingAnnualizedPct":5.8,"longShortAccountRatio":1.6}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0tmdzE89uHHuzt8vm8YuZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live perpetual futures funding data for a crypto symbol, including mark price, index price, open interest, current funding rate, next funding time, annualized funding percentage, and long/short account ratio.","exampleAgentPrompt":"What's the current funding rate, open interest, and long/short ratio for BTCUSDT right now? I want to know if the market is leaning heavily long and how much annualized funding costs are.","exampleUseCases":[{"title":"Funding rate arbitrage screening","prompt":"Check the current funding rate for ETHUSDT — I want to know if it's high enough to make a cash-and-carry trade worthwhile, and what the annualized percentage works out to."},{"title":"Sentiment gauge via long/short ratio","prompt":"What's the long/short account ratio for SOLUSDT right now? I'm trying to gauge whether retail traders are mostly long or short before I take a position."},{"title":"Open interest spike monitoring","prompt":"Pull the open interest in USD for BTCUSDT — I want to see if it's unusually high compared to what I'd expect, and when the next funding settlement is."}],"resultDescription":"A JSON object with the symbol, mark price, index price, open interest (in coin and USD), current funding rate, next funding timestamp, annualized funding percentage, and long/short account ratio for the requested perpetual futures pair.","failureModes":["Invalid or unsupported symbol returns an error or empty response","Payment not processed via x402/USDC results in 402 Payment Required","Binance API downtime may cause stale or missing data","Symbol format mismatch (e.g. BTC-USDT vs BTCUSDT) may return no results","Rate limiting if called too frequently without valid payment"],"whenToPreferThis":"Choose this endpoint when you need real-time perpetual futures funding data — particularly funding rates, open interest, and long/short ratios — for Binance-listed USDT pairs, and you are operating in a pay-per-call x402/USDC payment context. Prefer over exchange APIs directly when you need a simple, agent-friendly REST call with micropayment settlement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:56:49.138Z","isFirstParty":false}