{"uid":"cap_HkErIMYxLFYIKOFW7Fj1S","slug":"vextorium-crypto-funding-rates-c27a2da3","name":"Vextorium Crypto Funding Rates","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/funding-rates?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer"},"currency":{"type":"string","description":"BTC, ETH, SOL... (omit to scan spreads)"}}},"responseSchema":{"type":"json","example":{"note":"Positive funding: longs pay shorts. Current rates, they change every hour.","currency":"ETH","strategy":"Long on dYdX and short on Hyperliquid collects the funding difference (before fees and risk).","exchanges":[{"price":2683.42,"exchange":"dYdX","annual_pct":-0.22,"rate_1h_pct":-0.000025,"rate_8h_pct":-0.0002,"open_interest_usd":12227137},{"price":null,"exchange":"Aevo","annual_pct":3.5,"rate_1h_pct":0.0004,"rate_8h_pct":0.0032,"open_interest_usd":null}],"without_data":null,"annual_difference_pct":11.17}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_esp8hp7c_nBhB6UK0K07g","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves current perpetual futures funding rates across multiple exchanges (dYdX, Hyperliquid, Aevo, etc.) for a given cryptocurrency, including annualized rates, open interest, and cross-exchange spread strategy suggestions.","exampleAgentPrompt":"What are the current perpetual futures funding rates for ETH across exchanges like dYdX, Hyperliquid, and Aevo — including the annualized rates and any arbitrage spread between them?","exampleUseCases":[{"title":"Funding rate arbitrage detection","prompt":"Are there any profitable funding rate spreads between dYdX and Hyperliquid for ETH right now? I want to know the annualized difference and the suggested long/short strategy."},{"title":"Best exchange to open a long position","prompt":"I want to open a long BTC perpetual position — which exchange currently has the lowest (most negative) funding rate so longs are actually paid instead of paying?"},{"title":"Market-wide funding rate scan","prompt":"Can you scan funding rates across all available crypto exchanges and currencies and show me the top opportunities sorted by annual rate difference?"}],"resultDescription":"Returns a JSON object containing the queried currency, a note explaining funding rate direction, a strategy suggestion for cross-exchange arbitrage, an array of exchange-level objects (exchange name, current price, 1h rate %, 8h rate %, annualized rate %, open interest in USD), and the annualized percentage difference between the best and worst rates.","failureModes":["Currency not supported — returns empty or null exchange list","No open interest data available for a specific exchange — open_interest_usd is null","Exchange temporarily unavailable — exchange entry may have null price or rates","Invalid body type or missing required fields — likely 400 error","Rate data stale or not yet updated — note field may indicate this"],"whenToPreferThis":"Choose this endpoint when you need real-time perpetual futures funding rate data across multiple DeFi and CeFi exchanges simultaneously, especially for arbitrage analysis between platforms like dYdX, Hyperliquid, and Aevo. It is particularly useful when you want both raw rate data and an interpreted arbitrage strategy suggestion in a single call. Prefer this over exchange-specific APIs when cross-exchange comparison is the primary goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-28T12:41:08.594Z","isFirstParty":false,"canonicalSlug":"vextorium-crypto-funding-rates-c27a2da3"}