{"uid":"cap_DLSTkjR-bkhjJEUIjW4TR","slug":"santyvv-data-chain-code-lookup-e045ea89","name":"santyvv-data Chain Code Lookup","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/chain/code?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":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tUM5O7TWj_K9L7JSggjov","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns on-chain or market data associated with a blockchain chain code identifier, paid per call via x402/USDC on Base.","exampleAgentPrompt":"What chain data does the code 'base' map to — look it up from the on-chain data API without needing an API key?","exampleUseCases":[{"title":"Identify unknown blockchain chain code","prompt":"I've got a chain code from a transaction log and I need to know what blockchain network it refers to — can you look it up for me?"},{"title":"Enrich multi-chain app with chain metadata","prompt":"My app is displaying transactions across multiple chains and I need to fetch normalized metadata for each chain code so I can show the right network name and details to users."},{"title":"Verify chain code before cross-chain transfer","prompt":"Before I initiate this cross-chain transfer, can you look up the chain code to confirm it's a valid and recognized network and tell me its details?"}],"resultDescription":"A normalized JSON response containing metadata and details associated with the requested blockchain chain code, such as network name, chain ID, and related on-chain attributes. Response is edge-cached and sourced from multiple public data providers.","failureModes":["Invalid or unrecognized chain code returns an error or empty result","Payment failure via x402 protocol blocks the request (402 response)","Upstream public data provider unavailability may cause degraded or fallback responses","Missing required query parameters results in a 400 bad request","Rate or network issues on Base blockchain may delay payment confirmation"],"whenToPreferThis":"Choose this endpoint when you need quick, keyless lookup of blockchain chain code metadata without setting up API accounts, and are comfortable paying $0.01 USDC per call via the x402 protocol on Base. Ideal for agents or lightweight integrations that need occasional chain data without API key management overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:38:00.989Z","isFirstParty":false,"canonicalSlug":"santyvv-data-chain-code-lookup-e045ea89"}