{"uid":"cap_qww_1uRKI2PRT6rzL0oZ-","slug":"base-wallet-enrichment-on-chain-profile-ca0572b0","name":"Base Wallet Enrichment & On-Chain Profile","description":"Base address -> agent-ready on-chain profile: EOA or contract, ETH and major-token holdings, token or NFT metadata, EIP-1967 proxy detection, activity, and a derived profile label. Uses public Base mainnet RPC with no account or API key. Useful before an agent sends funds, swaps, or calls a contract.","url":"https://agents.samedaydesk.com/wallet-enrich","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","description":"A Base/EVM address (0x + 40 hex), e.g. 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["ok","address","type"],"properties":{"ok":{"type":"boolean"},"type":{"enum":["eoa","contract"],"type":"string"},"native":{"type":"object"},"address":{"type":"string"},"profile":{"type":"string"},"activity":{"type":"object"},"contract":{"type":"object"},"tokenHoldings":{"type":"array"},"holdingsSummary":{"type":"object"}}}}}}},"responseSchema":{"type":"json","example":{"ok":true,"type":"contract","native":{"symbol":"ETH","balance":"0.0098"},"address":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","network":"base-mainnet (eip155:8453)","profile":"token-contract:USDC","contract":{"token":{"name":"USD Coin","symbol":"USDC","decimals":6,"totalSupply":"4157703919.56"},"standard":"ERC-20 (token)"},"tokenHoldings":[{"kind":"stable","amount":"1000.0","symbol":"USDC"}],"holdingsSummary":{"distinctTokens":1,"hasStablecoins":true,"stablecoinUnits":1000}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1lGS0KqRGrEnum1yP5vKD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Enriches a Base/EVM wallet address with on-chain profile data including ETH and token balances, NFT metadata, proxy detection, activity, and a derived profile label","exampleAgentPrompt":"Before I send funds to 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base, can you pull up its on-chain profile — token balances, whether it's a contract or EOA, any proxy detection, and a summary label?","exampleUseCases":[{"title":"Pre-transfer wallet vetting","prompt":"I'm about to send 500 USDC to 0x4200000000000000000000000000000000000006 on Base — can you check its on-chain profile first, including whether it's a contract or regular wallet, what tokens it holds, and give me a risk label?"},{"title":"DeFi contract inspection before interaction","prompt":"I want to call into 0x2626664c2603336E57B271c5C0b26F421741e481 on Base for a swap — can you check if it's an EIP-1967 proxy, what its activity looks like, and give me an agent-ready profile before I interact with it?"},{"title":"NFT holder research","prompt":"Can you pull the on-chain profile for Base address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 and tell me what NFTs and major tokens it holds, plus its activity level?"}],"resultDescription":"Returns a structured on-chain profile for the given Base address including: EOA vs contract classification, ETH and major token balances, token and NFT metadata, EIP-1967 proxy detection result, recent activity indicators, and a derived human-readable profile label — all sourced from public Base mainnet RPC with no API key required.","failureModes":["Invalid address format (not 0x + 40 hex) returns an error","Address not found or zero-activity wallet may return sparse data","Base RPC rate limits or downtime may cause timeout or partial data","Non-Base EVM addresses (e.g. Ethereum mainnet) may return no or incorrect data","Malformed query parameter returns schema validation error"],"whenToPreferThis":"Use this endpoint when an AI agent needs to pre-screen a Base mainnet address before sending funds, executing a swap, or calling a contract. It is uniquely suited for Base chain, requires no API key, covers EOA/contract distinction and proxy detection in a single call, and is priced per-use via x402 micropayment — ideal for automated agent workflows that need safe, lightweight wallet intelligence without managing credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:44:38.722Z","isFirstParty":false}