{"uid":"cap_SlmmLz31XVN3841zbymnA","slug":"perp-funding-rate-comparator-binance-bybit-hyperliquid-af5ff792","name":"Perp Funding Rate Comparator (Binance, Bybit, Hyperliquid)","description":"Pay-per-call x402 APIs for AI agents: OpenAI-compatible LLM chat, perp funding and arbitrage spreads, crypto prices, gas, FX, Solana SPL mint audit, token price by contract, x402 delivery-receipt verification, web search, clean page extraction, batch tools and deterministic code-security scanning. USDC on Base or Solana, no signup, no API key, from $0.0001 a call.","url":"https://scanpay-edge.alextaghiashvili.workers.dev/api/v1/perp-funding?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"symbol":{"type":"string","default":"BTC","description":"Perpetual base asset or USDT symbol, e.g. BTC or BTCUSDT"},"venues":{"type":"string","default":"binance,bybit,hyperliquid","description":"Comma-separated funding sources: binance, bybit, hyperliquid; OKX is not supported"},"symbols":{"type":"string","description":"Legacy comma-separated symbols"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"errors":{},"symbol":"BTC","venues":{"bybit":{"apr_pct":21.9,"mark_price":77540,"funding_8h_rate":0.0002,"next_funding_ms":1793520000000},"binance":{"apr_pct":10.95,"mark_price":77538,"funding_8h_rate":0.0001,"next_funding_ms":1793520000000},"hyperliquid":{"apr_pct":8.76,"mark_price":77539,"funding_8h_rate":0.00008,"next_funding_ms":null}},"product":"scanpay.perp_funding","results":[{"symbol":"BTCUSDT","mark_price":77538,"last_funding_rate":0.0001,"next_funding_time":1793520000000}],"as_of_ms":1793491200000,"price_usd":0.001,"max_arb_spread":{"long_venue":"hyperliquid","short_venue":"bybit","net_8h_spread_bps":1.2,"annualized_spread_pct":13.14}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1F4lgrDqkE6zcGS0ry4u-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns and compares perpetual futures funding rates, APRs, mark prices, and max arbitrage spreads across Binance, Bybit, and Hyperliquid for a given symbol.","exampleAgentPrompt":"What are the current BTC perpetual funding rates across Binance, Bybit, and Hyperliquid, and which pair offers the best funding rate arb spread right now?","exampleUseCases":[{"title":"Funding rate arbitrage scanner","prompt":"Check the BTC perp funding rates on Binance, Bybit, and Hyperliquid and tell me which two venues give the biggest annualized arb spread — which one should I long and which should I short?"},{"title":"Cheapest venue to hold long perp","prompt":"I'm holding a long ETH perp position — can you compare the current funding rates on Binance, Bybit, and Hyperliquid so I know which exchange is cheapest to hold on right now?"},{"title":"Funding rate monitoring for portfolio","prompt":"Pull the current SOL perpetual funding APR percentages from Binance, Bybit, and Hyperliquid and let me know if any venue has an unusually high or low rate compared to the others."}],"resultDescription":"A JSON object containing per-venue funding data (8h rate, APR %, mark price, next funding timestamp in ms) for the requested symbol across Binance, Bybit, and Hyperliquid, plus a max_arb_spread object identifying the best long and short venue pair with net 8h spread in bps and annualized spread percentage. Also includes an as_of_ms timestamp and any errors per venue.","failureModes":["Unknown or delisted symbol returns empty or error per venue","Hyperliquid next_funding_ms is always null (known limitation)","Network timeout to upstream exchange APIs returns partial venue data","Invalid venue name in venues parameter silently skips that venue","Rate limit or payment failure returns 402 or 429 error"],"whenToPreferThis":"Use this endpoint when you need a real-time, multi-exchange comparison of perpetual futures funding rates and want to identify funding arbitrage opportunities between Binance, Bybit, and Hyperliquid in a single call. Prefer this over querying each exchange API individually when you need the max_arb_spread calculation pre-computed with venue recommendations.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T18:33:10.703Z","isFirstParty":false,"canonicalSlug":"perp-funding-rate-comparator-binance-bybit-hyperliquid-af5ff792"}