{"uid":"cap_7M_v2XlmC4TG6sFqb9H07","slug":"api-usenami-io-156705da","name":"Nami Cross-Venue Funding Rate Spread Snapshot","description":"Cross-venue rate spread snapshot for a symbol","url":"https://api.usenami.io/v1/funding/spread/BTC","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":{"input":{"type":"api","method":"GET"}},"response":{"symbol":"BTC","max_rate":null,"min_rate":null,"max_venue":null,"min_venue":null,"spread_bps":null}},"exampleRequest":{"input":{"type":"api","method":"GET"}},"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_F_u3SU5apaxGbnUDWiMgv","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 a point-in-time snapshot of the funding rate spread for a symbol across all tracked perpetual venues, showing the highest and lowest rate venues and the spread in basis points.","exampleAgentPrompt":"What's the current funding rate spread for BTC across all perp exchanges — show me which venue has the highest and lowest rate and the spread in basis points?","exampleUseCases":[{"title":"Cheapest venue for ETH long","prompt":"I'm planning to open a long ETH perpetual position — which exchange has the lowest funding rate right now, and how wide is the spread across all tracked venues in basis points?"},{"title":"Spot funding arbitrage opportunity","prompt":"Can you check if there's a meaningful funding rate arbitrage opportunity for SOL across all perp exchanges right now? I want to know the best and worst venues and the current spread so I can decide whether it's worth putting on a carry trade."},{"title":"Compare BTC perp funding venues","prompt":"Before I roll my BTC short into a new venue, show me the current funding rates across all perpetual exchanges — which one is cheapest for a short position and what's the total spread in bps?"}],"resultDescription":"A cross-venue snapshot for the requested symbol (e.g. BTC) showing the current funding rates per venue, identifying the highest and lowest rate venues, and the total spread expressed in basis points — useful for funding arbitrage and carry trade analysis.","failureModes":["Symbol not supported — returns 404 or empty result for tickers not tracked by Nami","Rate limit or payment failure — 402 response if x402 micropayment not completed","Venue data temporarily unavailable — partial snapshot if one or more venues are offline","Invalid symbol format — malformed ticker returns 400 error","Stale data — snapshot may lag by a few seconds during high-volatility periods"],"whenToPreferThis":"Use this endpoint when you need an immediate, current cross-venue funding rate comparison for a specific symbol to identify arbitrage spreads or select the cheapest venue for a position. Prefer this over the historical rates endpoint when real-time spread is needed, and over the per-venue endpoint when you want the best/worst venue ranked automatically in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:41:15.232Z","isFirstParty":false}