{"uid":"cap_biI3iA2XbNOrx7vW3OkOl","slug":"booaip-chains-data-endpoint-5b459b2c","name":"booAIP Chains Data Endpoint","description":"Chain TVL, rank and dominance (DefiLlama). Body: { chain? }.","url":"https://booaip.vercel.app/api/chains","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string","description":"Chain name (e.g. base). Omit for top 10."}}},"responseSchema":{"type":"json","example":{"rank":6,"chain":"Base","found":true,"tvlUsd":5000000000,"dominancePct":3.2}},"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_lHFxVybA819T7zvUZR9uP","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 blockchain chain data including TVL, dominance percentage, and rank for a specified chain","exampleAgentPrompt":"What is the current TVL, dominance percentage, and ranking for the Base blockchain?","exampleUseCases":null,"resultDescription":"A JSON object containing the chain's rank among all chains, its name, a boolean indicating if it was found, total value locked in USD, and its dominance percentage of total DeFi TVL.","failureModes":["Chain name not recognized — found: false returned","Invalid or missing chain parameter in POST body","Payment not processed — x402 USDC payment failure on Base","Service unavailable or Vercel cold start timeout","Chain exists but data is stale or temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need structured, pay-per-call blockchain TVL and dominance data for a specific chain without requiring an API key subscription — ideal for AI agents that need on-demand crypto chain metrics with micropayment via USDC on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:41:59.151Z","isFirstParty":false}