{"uid":"cap_NTckaXu2vFKKnY3NwuiZo","slug":"agent-data-api-cross-venue-crypto-spread-80c1ec23","name":"Agent Data API — Cross-Venue Crypto Spread","description":"Pay-per-call data utilities for AI agents (no API key, settle USDC on Base via x402). WEB: GET /audit?url= → structured site signals; GET /extract?url= → clean readable extraction. CRYPTO (multi-source, one call, cleaned & normalized): GET /snapshot?ids= → per-coin price+market+funding+sentiment merged from CoinGecko/Binance/F&G; GET /spread?symbol= → cross-venue best bid/ask & arb spread across Binance/Coinbase/Kraken/OKX; GET /funding → all perp funding rates, annualized APR, sorted extremes; GET /defi → DeFi macro (total TVL, top chains, stablecoin supply & 24h delta); GET /pulse → composite market-regime read (Fear&Greed + dominance + mcap delta + BTC funding → signal).","url":"https://168.231.82.195.sslip.io/spread","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","properties":{"queryParams":{"type":"object","properties":{"symbol":{"type":"string","example":"BTC"}}}}},"output":{"type":"object","properties":{"result":{"type":"object"}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_C8Sy7R44aI0zDlksjgv6a","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the best bid/ask prices and arbitrage spread for a given crypto symbol across Binance, Coinbase, Kraken, and OKX in a single normalized call.","exampleAgentPrompt":"What's the best bid and ask for BTC right now, and is there any arbitrage spread worth noting across Binance, Coinbase, Kraken, and OKX?","exampleUseCases":null,"resultDescription":"A JSON object containing the best bid and ask prices for the requested symbol aggregated across Binance, Coinbase, Kraken, and OKX, along with the cross-venue arbitrage spread and individual venue-level quotes — all cleaned and normalized in a single response.","failureModes":["Invalid or unsupported symbol returns an error or empty result","One or more upstream exchanges (Binance/Coinbase/Kraken/OKX) temporarily unavailable, leading to partial data","Symbol provided in wrong format (e.g. 'BTCUSDT' vs 'BTC') may return no results","Payment not settled via x402/USDC results in 402 Payment Required response","Rate limiting or network timeout on the aggregation backend"],"whenToPreferThis":"Use this endpoint when you need a single unified view of cross-exchange bid/ask prices and arbitrage spread for a specific crypto symbol without having to call multiple exchange APIs separately. Ideal for trading agents, arbitrage detection, and best-execution routing when you care about spread comparison across Binance, Coinbase, Kraken, and OKX simultaneously. Prefer over single-exchange APIs when cross-venue normalization and arbitrage signal matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T17:28:45.977Z","isFirstParty":false}