{"uid":"cap_kxXb9mXk9Nuh6BoNtmxjC","slug":"liquprop-api-63f58db3","name":"LiquProp API - Get Chain by ChainId","description":"Get a chain by chainId","url":"https://api.relai.fi/relay/1776502063891/v1/chains/{chainId}","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"unknown","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","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_14zxmaBOp18Uuo1a_MWel","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 blockchain chain details for a given chainId via the LiquProp relay API","exampleAgentPrompt":"Can you look up the chain details for chainId 137 using LiquProp's relay API?","exampleUseCases":null,"resultDescription":"Returns a chain object containing metadata and configuration details for the specified chainId, such as network name, chain type, and related relay parameters.","failureModes":["Invalid or unknown chainId returns 404 not found","Missing chainId parameter returns 400 bad request","Insufficient USDC payment (below $0.01) returns 402 Payment Required","Network timeout or relay unavailability returns 503","Malformed request body returns 422 Unprocessable Entity"],"whenToPreferThis":"Use this endpoint when you need to look up chain-level metadata or configuration for a specific blockchain network by its chainId within the LiquProp/RelAI relay infrastructure. Prefer this over manual chain registries when you need programmatic, pay-per-call access to up-to-date chain data integrated with the RelAI payment relay.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T20:27:34.748Z","isFirstParty":false}