{"uid":"cap_ORIJBUKpt301-G0aqKAF6","slug":"crypto-multi-venue-price-feed-x402-bdfed7ac","name":"Crypto Multi-Venue Price Feed (x402)","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/crypto-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_IwQz3Pxj8HG8GY3X7BEbU","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 real-time multi-venue USD prices for crypto symbols (BTC, ETH, SOL, etc.) aggregated from Binance and Coinbase, with 24h change percent, paid per-call via x402 USDC micropayment on Base.","exampleAgentPrompt":"What are the current USD prices for BTC, ETH, and SOL right now, including how each has moved in the last 24 hours and what Binance and Coinbase are each showing?","exampleUseCases":[{"title":"Trading bot pre-trade price check","prompt":"Before executing this trade, give me the live prices for BTC and ETH from both Binance and Coinbase and tell me the 24-hour percentage change for each."},{"title":"Portfolio snapshot for crypto holdings","prompt":"Pull the current USD prices for BTC, ETH, and SOL so I can calculate the current value of my portfolio."},{"title":"Exchange spread monitoring","prompt":"What are Binance and Coinbase showing for BTC and ETH right now, and how much are the prices diverging between the two venues?"}],"resultDescription":"A JSON object with per-symbol price data including aggregated USD price, Binance USDT price, Coinbase USD price, and 24h percentage change, plus a list of source URLs and an ISO timestamp of when the data was last updated.","failureModes":["Payment not received or x402 micropayment rejected — returns 402 Payment Required","Invalid or unsupported symbol in the symbols query param — may return empty or error for that symbol","Upstream exchange API (Binance or Coinbase) temporarily unavailable — partial or stale data returned","Missing or malformed query parameter — defaults to BTC,ETH,SOL if symbols is omitted","Rate limiting or worker timeout on Cloudflare edge — returns 5xx error"],"whenToPreferThis":"Choose this endpoint when your agent needs real-time multi-venue crypto prices without provisioning API keys, and when you want to compare Binance and Coinbase prices in a single call. Ideal for trading agents, portfolio trackers, or arbitrage monitors that operate on a pay-per-call basis via x402 USDC micropayments on Base. Prefer it over exchange-specific APIs when venue spread comparison or key-free access is important.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:41:31.200Z","isFirstParty":false,"canonicalSlug":"crypto-multi-venue-price-feed-x402-b72d2150"}