{"uid":"cap_9p795ATfRtFq8bb7Vc9He","slug":"blockchain-transaction-count-lookup-x402-78a231ca","name":"Blockchain Transaction Count Lookup (x402)","description":"Pay-per-call stock, macro, on-chain, and crypto data over the x402 protocol. USDC on Base or Solana, no API keys, no subscriptions.","url":"https://x402-stock-indicators.vercel.app/transaction-count/%7Baddress%7D","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"chain":"eth","address":"0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae","transaction_count":1834}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XfMHF6Wy5u1ebSjKNEl0q","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the on-chain transaction count for a given Ethereum or blockchain address, paid per-call via USDC over the x402 protocol.","exampleAgentPrompt":"How many transactions has the Ethereum address 0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae made on-chain? Pay the $0.005 USDC fee and give me the transaction count.","exampleUseCases":[{"title":"Wallet activity screening for DeFi","prompt":"Check how many transactions the wallet 0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae has made on Ethereum — I want to know if it's an active address before interacting with it."},{"title":"Smart contract interaction audit","prompt":"How many on-chain transactions has the contract at 0xabc123...def456 executed so far? I'm trying to assess how much usage it's seen."},{"title":"Crypto user due diligence","prompt":"I'm looking at this Ethereum address 0x1234567890abcdef1234567890abcdef12345678 — can you tell me its total transaction count so I can judge how seasoned this wallet is?"}],"resultDescription":"Returns a JSON object containing the blockchain network name (e.g. 'eth'), the queried address, and the total transaction count (integer) for that address on-chain.","failureModes":["Invalid or malformed blockchain address returns an error","Unsupported chain identifier returns an error or empty result","Payment failure via x402 (insufficient USDC balance or network issue) blocks the call","Address with zero transactions may return count of 0","Network timeouts on slow RPC nodes"],"whenToPreferThis":"Choose this endpoint when you need a quick, pay-per-call on-chain transaction count for a specific blockchain address without committing to API keys or subscriptions. Ideal for agents that need occasional on-chain lookups billed in USDC via the x402 micropayment protocol, especially for Ethereum addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:30:35.540Z","isFirstParty":false}