{"uid":"cap_eTlCr_tQvw6T_XaAJEi0v","slug":"santyvv-data-crypto-order-book-api-x402-a6a7bae3","name":"santyvv-data Crypto Order Book API (x402)","description":"Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.","url":"https://x402.santyvv.com/api/crypto/orderbook?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":{}}},"additionalProperties":false}}},"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_4L3to6vEN36KXvUwFV3xT","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 current order book (bids and asks) for a cryptocurrency trading pair, paid per call in USDC via x402 with no API key required.","exampleAgentPrompt":"Pull the current order book for BTC/USDC — I need the top bids and asks right now, and I don't want to deal with API keys, just pay per call.","exampleUseCases":[{"title":"Real-time spread analysis for trading bot","prompt":"Get me the current order book for ETH/USDC so I can calculate the bid-ask spread before placing a trade — pay the small per-call fee, I don't want to manage any API subscriptions."},{"title":"Market depth check before large order","prompt":"Before I execute a large buy of SOL, can you pull the order book so I can see how much liquidity is sitting at each price level and estimate my slippage?"},{"title":"On-demand order book snapshot for research","prompt":"I'm comparing market depth across a few crypto pairs today — can you fetch the order book for BTC/USDC and show me the top 10 bids and asks without me having to sign up anywhere?"}],"resultDescription":"A normalized order book response containing arrays of bids and asks for the requested trading pair, each entry including price level and available quantity, sourced from public market data providers with edge caching and multi-source fallback applied.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 requiring x402 payment","Invalid or unsupported trading pair — returns error indicating unrecognized symbol","Upstream data source unavailable — may return stale cached data or 503 if all fallbacks fail","Malformed query parameters — returns 400 bad request","Rate or capacity limits on upstream providers — may result in delayed or partial response"],"whenToPreferThis":"Choose this endpoint when you need a quick, keyless, pay-per-call order book snapshot without committing to an API subscription or managing credentials. It is ideal for agents or scripts that run infrequently and need normalized, multi-source order book data on demand, and for workflows where the x402 micropayment pattern (USDC on Base) is already supported.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:43:34.352Z","isFirstParty":false,"canonicalSlug":"santyvv-data-crypto-order-book-api-x402-a6a7bae3"}