{"uid":"cap_YwR0NYuopuge-nQ1G54BQ","slug":"api-usenami-io-98468231","name":"Nami Cross-Venue Funding Rate Spread","description":"Cross-venue funding-rate spread for one crypto perpetual — the highest- and lowest-paying venues and the spread in bps, across major CEX and DEX venues (Binance, Bybit, OKX, Hyperliquid …). `spread_bps` is the RAW rate difference, the same quantity and name as on `/v1/perp/arbitrage/funding`; `normalized_spread_8h_bps` scales both legs to 8h, the comparable one, since venues quote on 1h/4h/8h. Leg intervals ship with the row; normalized is null when a schedule is unknown, never defaulted.","url":"https://api.usenami.io/v1/perp/funding-spread","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"},"method":{"type":"string"}}}}},"responseSchema":null,"example":{"request":{"ticker":"BTC"},"response":{"spread":null,"ticker":"BTC","venues_count":0}},"exampleRequest":{"ticker":"BTC"},"tags":["x402"],"displayCostAmount":"0.001000","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.001000/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_SDkIJset2zI99mRaf4iCO","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 the highest and lowest funding rate venues for a given perpetual ticker, along with the spread in basis points across all tracked venues","exampleAgentPrompt":"Show me the funding rate spread for BTC perps right now — which venue has the highest rate, which has the lowest, and how wide is the spread in basis points?","exampleUseCases":null,"resultDescription":"Returns the highest-rate venue and its funding rate, the lowest-rate venue and its funding rate, and the computed spread between them in basis points for the requested ticker across all tracked perpetual venues.","failureModes":["Unknown or unsupported ticker symbol returns an error or empty result","Venue data temporarily unavailable may produce incomplete spread calculation","Stale funding rate data if venues have not recently reported rates","Payment required (402) if x402 micropayment header is missing or invalid","Rate limiting if too many requests are made in a short window"],"whenToPreferThis":"Use this endpoint when you need a single snapshot of cross-venue funding rate dispersion for a specific ticker — ideal for funding rate arbitrage screening, position entry optimization, or assessing which venue offers the best funding cost. Prefer this over the per-venue historical endpoint when you want a current spread comparison rather than time-series data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:30:15.030Z","isFirstParty":false}