{"uid":"cap_vsjuxoEkJmVTgJLpZQScB","slug":"pennyrail-evm-chain-info-4bea9cc6","name":"PennyRail EVM Chain Info","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/chain.info--evm-chain-info","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hIaHy1ldwRPezDgpVReBJ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns machine-readable EVM blockchain chain information for a given chain identifier via a paid settlement endpoint","exampleAgentPrompt":"Can you look up the chain info for the Polygon network — I need the chain ID, native currency, and any RPC or explorer URLs associated with it?","exampleUseCases":[{"title":"L2 network configuration lookup","prompt":"I'm integrating with Arbitrum One and need all the chain metadata — chain ID, RPC endpoints, native currency, and block explorer. Can you pull that up for me?"},{"title":"Cross-chain dApp network setup","prompt":"We're adding support for Base to our dApp and need the official chain parameters. Can you fetch the EVM chain info for Base so I can plug it into our config?"},{"title":"Verify chain details before deployment","prompt":"Before I deploy this contract, can you confirm the chain ID and native currency for the Optimism mainnet so I know I'm targeting the right network?"}],"resultDescription":"Returns a JSON object containing EVM chain metadata including chain ID, network name, native currency details, RPC endpoint URLs, and block explorer links for the requested chain.","failureModes":["Invalid or unrecognized chain name/identifier returns an error or empty result","Malformed input string causes a 400-level error","Payment failure or insufficient balance prevents endpoint access","Chain not yet indexed or supported returns null or empty object","Timeout if the upstream chain registry is unavailable"],"whenToPreferThis":"Use this endpoint when you need structured, machine-readable EVM chain metadata (chain ID, RPC URLs, currency info, explorers) for a given network name or identifier, especially within a micropayment-enabled agent workflow using x402 settlement. Prefer this over static chain lists when freshness and pay-per-query pricing suit your use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:41.125Z","isFirstParty":false}