{"uid":"cap_iU2zYL-wJQrDL3I2SqYxd","slug":"carrylens-perpetuals-funding-radar-27e43da6","name":"CarryLens Perpetuals Funding Radar","description":"Live, cost-aware cross-venue perpetual-funding screens for trading agents. x402 payment; no API key or account.","url":"https://carry-lens-api.netlify.app/v1/perps/radar","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"notionalUsd":{"type":"string","pattern":"^(?:\\d+(?:\\.\\d*)?|\\.\\d+)$","description":"Matched USD notional on each hedged leg (100 to 100000000)."},"holdingHours":{"type":"string","pattern":"^(?:\\d+(?:\\.\\d*)?|\\.\\d+)$","description":"Expected holding period in hours (1 to 2160)."},"totalCostBps":{"type":"string","pattern":"^(?:\\d+(?:\\.\\d*)?|\\.\\d+)$","description":"All-in entry and planned-exit fees plus slippage in bps (0 to 2000)."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["assumptions","top_cross_venue_carry_spreads"],"properties":{"assumptions":{"type":"object"},"top_cross_venue_carry_spreads":{"type":"array"}}}}}}},"responseSchema":{"type":"json","example":{"assumptions":{"notionalUsd":10000,"holdingHours":168,"totalCostBps":20},"liquidity_floor":{"hyperliquid_volume_24h_usd":1000000,"hyperliquid_open_interest_usd":250000},"markets_screened":200,"top_cross_venue_carry_spreads":[{"coin":"BTC","longVenue":"HlPerp","costScreen":"passes","shortVenue":"BinPerp","executionTier":"high","projectedEconomics":{"breakEvenHours":14.1,"grossFundingUsd":237.81,"netAnnualizedPct":113.57,"assumedTotalCostUsd":20,"projectedNetYieldPct":2.1781,"projectedNetFundingUsd":217.81},"grossSpreadAnnualizedPct":12.4}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XqjKWcVwRMWHXzQirWjK1","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Screens live cross-venue perpetual futures funding rates and returns cost-aware carry spread opportunities ranked by projected net yield","exampleAgentPrompt":"Scan cross-venue perp funding rates for a $10,000 position held for 168 hours with 20 bps total costs, and show me the top carry spread opportunities ranked by net annualized yield.","exampleUseCases":[{"title":"Weekly carry trade opportunity scan","prompt":"I want to put on a $50,000 cross-venue perp carry trade for about a week — assume 15 bps in total fees and slippage. What are the best long-short funding spread opportunities right now sorted by net annualized return?"},{"title":"Intraday funding arb with tight cost budget","prompt":"Screen perpetual futures carry spreads for a $5,000 notional held for just 8 hours, with only 10 bps of total costs — which pairs break even the fastest and have the highest projected net yield?"},{"title":"Large-notional institutional carry screening","prompt":"I'm sizing a $500,000 cross-venue perp funding trade with a 30-day holding period and 25 bps all-in costs. Pull the top carry spreads and tell me which coins pass the cost screen and hit the high execution tier."}],"resultDescription":"Returns a ranked list of top cross-venue carry spread opportunities, each with the long venue, short venue, coin, gross annualized spread, projected net yield percent, projected net funding in USD, assumed total cost, break-even hours, execution tier, and cost screen status — plus the assumptions used and a liquidity floor summary showing screened market count and Hyperliquid volume/OI figures.","failureModes":["Invalid notionalUsd format (non-numeric string) returns a 400 validation error","holdingHours outside the 1–2160 range may return empty or erroneous results","totalCostBps above 2000 may filter out all opportunities, returning an empty spreads array","Payment failure via x402 protocol results in a 402 response and no data returned","Stale funding data if upstream venue feeds are delayed may produce inaccurate spread projections","Network timeout to Netlify-hosted endpoint possible under high load"],"whenToPreferThis":"Choose this endpoint when you need a live, cost-adjusted ranking of cross-venue perpetual funding carry spreads across multiple crypto exchanges in a single call — especially when you want break-even analysis and net yield projections already computed for a given notional, holding period, and cost budget, without needing to aggregate and normalize raw funding rate feeds yourself. Prefer it over raw exchange APIs when you need ready-to-act carry trade signals with execution-tier classification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:38:40.703Z","isFirstParty":false}