{"uid":"cap_04WQ943TIIk0q9ZS4AI-T","slug":"crypto-spot-reference-price-multi-venue-0e8abb39","name":"Crypto Spot Reference Price (Multi-Venue)","description":"Pay-per-call crypto microdata for trading/onchain AI agents via x402 (USDC on Base): Base gas, token risk, balances, multi-venue prices, Hyperliquid book/funding, kimchi premium. No API keys.","url":"https://kr-x402-mvp.kgy5612.workers.dev/api/v1/spot/reference-price?utm_source=zero.xyz","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":{"symbols":{"type":"string","examples":["BTC,ETH,SOL","BTC"],"description":"Comma-separated symbols (default BTC,ETH,SOL)"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"prices":{"BTC":{"price_usd":80867.7,"binance_usdt":80860,"coinbase_usd":80875.4,"change_24h_pct":1.2}},"sources":["https://api.binance.com","https://api.coinbase.com"],"updated_at":"2026-10-28T11:00:00Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_EMMXo5WbpARZrrcp8HtJF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns aggregated spot reference prices for crypto tokens across multiple venues (Binance, Coinbase) with 24h change, paid per-call via x402 USDC on Base.","exampleAgentPrompt":"What are the current spot prices for BTC, ETH, and SOL across Binance and Coinbase, including the 24-hour percentage change for each?","exampleUseCases":[{"title":"Trading bot pre-trade price check","prompt":"Before placing a trade, can you pull the latest reference prices for BTC and ETH from both Binance and Coinbase and tell me the 24h change?"},{"title":"Cross-exchange price discrepancy alert","prompt":"Check the current spot prices for SOL on Binance and Coinbase right now — are they meaningfully different from each other?"},{"title":"Portfolio snapshot valuation","prompt":"I hold BTC, ETH, and SOL — what are their current USD reference prices so I can calculate my portfolio value?"}],"resultDescription":"A JSON object with per-symbol price data including aggregated USD reference price, individual venue prices (Binance USDT, Coinbase USD), 24h percent change, list of source URLs, and an updated_at ISO timestamp.","failureModes":["Unknown or unsupported symbol returns missing or null price entry","Network timeout from upstream exchange APIs returns stale or empty data","Payment failure via x402 (insufficient USDC balance) results in 402 response before data is returned","Malformed symbols query parameter (bad formatting) may return empty prices object"],"whenToPreferThis":"Choose this endpoint when you need a quick, no-account, pay-per-call spot reference price for major crypto tokens aggregated across Binance and Coinbase. Ideal for AI trading agents that need cross-venue price consensus without managing API keys or subscriptions. Prefer over single-exchange feeds when you want multi-source validation of a price.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:37:52.654Z","isFirstParty":false,"canonicalSlug":"crypto-spot-reference-price-multi-venue-0e8abb39"}