{"uid":"cap_D0J2bO5QFLQpFeckBJpG5","slug":"perpetual-futures-funding-rates-api-4ed0ede4","name":"Perpetual Futures Funding Rates API","description":"Get perpetual futures funding rates across exchanges","url":"https://funding-rates.api.klymax402.com/api/rates","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","required":[],"properties":{"sort":{"enum":["abs","highest","lowest","spread"],"type":"string","description":"Scan mode only. 'abs' = largest absolute funding first (default), 'highest' = most positive first, 'lowest' = most negative first, 'spread' = largest cross-venue gap first."},"limit":{"type":"number","description":"Scan mode only. Number of markets to return. Default 50, max 1000."},"symbol":{"type":"string","description":"Token symbol (e.g. BTC, ETH, SOL). Optional -- omit it to scan every market instead of one asset."},"minVenues":{"type":"number","description":"Scan mode only. Set to 2 to keep only markets listed on both venues, which is what cross-venue carry requires. Default 1."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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_lJTAK-anY_PqpWNT01KUN","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":"Retrieves current perpetual futures funding rates for a given token symbol across multiple cryptocurrency exchanges","exampleAgentPrompt":"What are the current perpetual futures funding rates for BTC across exchanges?","exampleUseCases":[{"title":"Compare ETH funding rates across exchanges","prompt":"What are the current funding rates for ETH perpetual futures across all available exchanges? I want to see which one has the highest and lowest rate right now."},{"title":"Monitor SOL perp funding rate","prompt":"Can you check the current funding rate for SOL perpetual contracts across exchanges? I'm trying to decide whether it's worth holding a long position right now."},{"title":"Find best BTC arbitrage funding opportunity","prompt":"I'm looking to run a funding rate arbitrage on Bitcoin perps — can you pull the current BTC funding rates across all exchanges so I can spot the biggest spread?"}],"resultDescription":"Returns funding rate data for the requested token symbol across multiple exchanges, including the funding rate values and associated exchange names for perpetual futures contracts.","failureModes":["Missing required 'symbol' query parameter returns a 400 or error response","Unknown or unsupported token symbol may return empty data or an error","Payment not included or insufficient (x402 protocol) results in a 402 Payment Required response","Exchange data unavailable or stale data if upstream providers are down","Rate limiting if too many requests are made in a short window"],"whenToPreferThis":"Use this endpoint when you need real-time or near-real-time perpetual futures funding rates for a specific cryptocurrency token across multiple exchanges. Ideal for trading bots, arbitrage strategies, or dashboards that need to monitor funding rate conditions. Best suited for single-symbol lookups by ticker (e.g. BTC, ETH, SOL).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:08.605Z","isFirstParty":false}