{"uid":"cap_Z7ocm3AyvE2sruyoX-Qx2","slug":"rotary-agency-blockchain-data-api-74d190d1","name":"Rotary Agency Blockchain Data API","description":"Free-source data APIs (100% margin, no proxy, $0.002/call): ...","url":"https://rotaryagency.uk/api/free/blockchain?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"varies":"endpoint-specific structured JSON"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_5CsdomJN5NDvuWep7Ev-D","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns structured blockchain data (chain stats, transactions, addresses, or network info) for a given query via a pay-per-call free-source data endpoint","exampleAgentPrompt":"Can you look up the on-chain details for Ethereum wallet address 0xAbC123... using the Rotary Agency blockchain data API?","exampleUseCases":[{"title":"Transaction hash lookup","prompt":"What are the details of this Ethereum transaction — 0x4f2a...c91b? I need the block number, timestamp, value transferred, and gas used."},{"title":"Wallet balance check","prompt":"Check the current on-chain balance and recent activity for the crypto address 0xDEF456... on the Ethereum mainnet."},{"title":"Block data retrieval","prompt":"Fetch me the full details of Ethereum block number 19500000 — I want the miner, transaction count, gas used, and timestamp."}],"resultDescription":"A structured JSON object containing endpoint-specific blockchain data such as transaction details, block metadata, wallet balances, or network statistics, depending on the query parameters supplied.","failureModes":["Missing or invalid query parameters return an error or empty response","Unsupported blockchain network returns a 400 or null result","Payment not received (x402 protocol failure) blocks the response","Rate limiting or throttling if too many calls are made rapidly","Stale or delayed on-chain data if the upstream free-source is lagging"],"whenToPreferThis":"Choose this endpoint when you need quick, low-cost ($0.002/call) access to raw blockchain data without relying on a proxied or marked-up aggregator. It is well-suited for agents that need on-chain lookups (transactions, addresses, blocks) and want direct free-source data with no intermediary markup. Prefer alternatives if you need guaranteed SLAs, websocket streaming, or multi-chain batch queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T22:26:51.244Z","isFirstParty":false,"canonicalSlug":"rotary-agency-blockchain-data-api-74d190d1"}