{"uid":"cap_9_2a73MVXwQOBwugSTi_p","slug":"gocreative-crypto-chain-lookup-30d0fa34","name":"GoCreative Crypto Chain Lookup","description":"483,000+ pay-per-call data APIs and free tools built on official sources — finance, company & government data, FRED, Census, crypto, calculators. USDC on Base via x402, native MCP. No API key, no signup.","url":"https://api.gocreativeai.com/v1/crypto/chains/%7Barg%7D","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","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","required":["input"],"properties":{"input":{"type":"string","description":"endpoint argument"}}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_6us-ICKLBQZFC8YjBlK20","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves detailed information about a specific blockchain/crypto chain by chain identifier","exampleAgentPrompt":"Can you look up the chain details for Ethereum mainnet — I need the chain ID, native currency, and official RPC endpoints from GoCreative's crypto chain data?","exampleUseCases":[{"title":"Find Polygon network RPC endpoints","prompt":"Can you pull up the chain details for Polygon from GoCreative? I need the official RPC URLs and block explorer link so I can configure my wallet."},{"title":"Look up Arbitrum block explorer","prompt":"What block explorer does Arbitrum use? Can you check GoCreative's chain data and also grab the chain ID and native currency while you're at it?"},{"title":"Get Avalanche chain ID for dApp","prompt":"I'm integrating Avalanche into a multi-chain dApp — can you look up its chain ID, native currency symbol, and any official RPC endpoints from GoCreative's crypto chain data?"}],"resultDescription":"Returns structured metadata about the requested blockchain chain, including chain ID, chain name, native currency symbol, RPC endpoint URLs, and block explorer links, sourced from official data aggregators.","failureModes":["Unknown or unsupported chain identifier returns 404 or empty result","Invalid chain argument format causes 400 bad request","Payment failure (insufficient USDC balance) results in 402 Payment Required","Network timeout if chain registry is temporarily unavailable","Malformed chain slug returns error response"],"whenToPreferThis":"Use this endpoint when you need authoritative metadata about a specific blockchain network — such as chain ID, RPC URLs, or block explorer links — without signing up for an API key. Ideal for agents needing on-demand chain lookups at $0.01 per call via x402/USDC, especially when integrating with multi-chain dApps or cross-chain workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-12T12:30:02.482Z","isFirstParty":false}