{"uid":"cap_v4cVRbtf6_j4bS_11kObM","slug":"arbipulse-spread-tick-b8508dc4","name":"ArbiPulse Spread Tick","description":"Cross-exchange spread tick — ONE $0.02 call returns the live executable spread for a pair across Binance, Coinbase, Kraken, Bybit: best bid venue, best ask venue, spread in bps, and a deterministic TRADE / THIN / NONE verdict. Built for arbitrage monitoring loops; escalate to /api/crypto ($0.07) for the full CEX arbitrage read with fees and transfer paths. 30s freshness, no LLM in the path.","url":"https://arbipulse.vercel.app/api/spread-tick","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema"},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oDai86C3wAWM7F946QLzO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the live executable bid/ask spread for a crypto pair across Binance, Coinbase, Kraken, and Bybit with a TRADE/THIN/NONE verdict in a single cheap call.","exampleAgentPrompt":"Check the live spread for BTC/USDT across Binance, Coinbase, Kraken, and Bybit and tell me whether there's a tradeable arbitrage opportunity right now.","exampleUseCases":[{"title":"Real-time SOL spread arbitrage check","prompt":"Is there a tradeable spread on SOL/USDT right now across the major exchanges? Tell me where the best bid and ask are sitting and whether I should act on it."},{"title":"Monitor ETH spread in polling loop","prompt":"I'm running an arbitrage monitoring loop — every 30 seconds, check the live bid/ask spread for ETH/USDT across Binance, Coinbase, Kraken, and Bybit and flag me whenever the verdict comes back as TRADE."},{"title":"Quick BNB spread verdict check","prompt":"What's the current spread in basis points for BNB/USDT across the top CEXs, and is it thin, none, or actually worth trading right now?"}],"resultDescription":"Returns the best bid venue, best ask venue, spread in basis points, and a deterministic verdict of TRADE (actionable spread), THIN (marginal), or NONE (no opportunity) for the requested pair. Data is at most 30 seconds stale and is computed without any LLM in the path.","failureModes":["Pair not supported — returns error indicating the trading pair is unavailable","Exchange data feed timeout — one or more exchange feeds may be stale beyond 30s window","Invalid pair format — malformed ticker symbol returns a 400-level error","Rate limiting — excessive polling may trigger throttling"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap ($0.02) single-tick spread check across the four major CEXs for arbitrage monitoring loops. Prefer this over the full /api/crypto endpoint ($0.07) when you only need bid/ask venue and spread in bps with a TRADE/THIN/NONE verdict and do not need fee breakdowns or transfer path details.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:33:09.017Z","isFirstParty":false}