{"uid":"cap_mKNQXb0wqJyogjWc_tC2t","slug":"evm-address-activity-summary-api-dfff7b17","name":"EVM Address Activity Summary API","description":"Evidence-backed npm package upgrade decisions for coding agents.","url":"https://x402-safe-upgrade-api.onrender.com/v1/address-activity-summary?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["base","base-sepolia"],"type":"string"},"address":{"type":"string","description":"Public 0x-prefixed EVM address."},"windowBlocks":{"type":"integer","default":1000,"maximum":5000,"minimum":1}}},"responseSchema":{"type":"json","example":{"transactionCount":"0","standardTransferLogCounts":{"incoming":0,"outgoing":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Uu1aasZwH8wXIFYqNZ9vx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a summary of transaction count and token transfer activity for an EVM address over a specified block window on Base or Base Sepolia.","exampleAgentPrompt":"Can you pull the activity summary for 0x1234...abcd on Base mainnet over the last 500 blocks — I want to see how many transactions it's made and how many token transfers came in or out?","exampleUseCases":[{"title":"Wallet due diligence before payment","prompt":"Before I send funds to 0xAbCd...1234 on Base, can you check how active that address has been in the last 1000 blocks? I want to know its transaction count and whether it's been sending or receiving tokens."},{"title":"Detect dormant or bot-like addresses","prompt":"I need to know if the Base wallet 0x9876...fedc has been unusually active in the last 5000 blocks — give me the transaction count and a breakdown of incoming versus outgoing token transfers."},{"title":"Monitor new contract deployer activity","prompt":"Check the on-chain activity for address 0xDead...Beef on Base Sepolia over the past 200 blocks and tell me how many transactions they've made and what the token transfer counts look like."}],"resultDescription":"Returns a JSON object containing the total transaction count for the address within the specified block window, plus a breakdown of incoming and outgoing standard token transfer log counts.","failureModes":["Invalid or malformed 0x address returns an error response","Unsupported chain value (not 'base' or 'base-sepolia') causes a validation error","windowBlocks exceeding 5000 or below 1 is rejected","Payment not provided or insufficient USDC results in a 402 Payment Required response","Address with zero activity returns counts of 0 (not an error but may be unexpected)","Node or indexer unavailability on the specified chain causes a service error"],"whenToPreferThis":"Choose this endpoint when you need a quick, cost-effective on-chain activity snapshot for a specific EVM address on Base or Base Sepolia without querying a full blockchain explorer. It is ideal for agents performing wallet due diligence, detecting dormant or highly active addresses, or enriching address metadata prior to a transaction or interaction. Prefer this over general-purpose blockchain RPCs when you want a structured summary (transaction count + transfer log breakdown) in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:36:24.305Z","isFirstParty":false,"canonicalSlug":"evm-address-activity-summary-api-dfff7b17"}