{"uid":"cap_nGfmEUD7k6DSrznPwDrb2","slug":"base-intel-api-jakemaxsigal-workers-dev-6daf56a0","name":"Base Wallet Activity Score","description":"Base wallet score API / wallet reputation / address risk scoring / onchain wallet intelligence / counterparty check. Returns a 0-100 activity score with letter grade, smart-wallet (ERC-4337) detection, ETH and USDC balances, recent USDC flow, and a user profile for any Base address. For AI agents, fraud screening, and KYC/counterparty checks.","url":"https://base-intel-api.jakemaxsigal.workers.dev/wallet/score/:address","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":{"request":{"address":"0x1234567890123456789012345678901234567890"},"response":{"grade":"D","score":10,"address":"0x1234567890123456789012345678901234567890","profile":"new_or_inactive","breakdown":{"txCount":0,"ethBalance":0.2677,"walletType":"eoa","usdcBalance":92.45,"balanceScore":8,"usdcActivity":{"sentCount":0,"sentTotalUsd":0,"receivedCount":0,"receivedTotalUsd":0},"activityScore":0,"ethBalanceUsd":803.08,"usdcFlowScore":0,"smartWalletScore":0,"usdcBalanceScore":2,"usdcActivityScore":0},"timestamp":"2026-06-18T05:25:30.321Z","methodology":"Scoring (max 100): activity(25) + smart_wallet(20) + ETH_balance(15) + USDC_balance(10) + USDC_activity(20) + USDC_flow(10)","isSmartWallet":false,"walletAgeApprox":"new"}},"exampleRequest":{"address":"0x1234567890123456789012345678901234567890"},"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_yG2rZiV-eszogplUGqlZ6","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 an activity score (0-100) for a Base wallet address, including smart wallet detection, ETH/USDC balances, and recent USDC flow.","exampleAgentPrompt":"Score the Base wallet 0x1234...abcd for me — I want to know its activity score, whether it's a smart wallet, and how much ETH and USDC it holds with recent flow data.","exampleUseCases":null,"resultDescription":"Returns a 0–100 activity score for the given Base wallet address, a smart wallet detection flag, current ETH and USDC balances, a summary of recent USDC inflow/outflow, and a user profile object.","failureModes":["Invalid or malformed wallet address returns 400 error","Address not found on Base returns score of 0 or empty profile","Payment not included or insufficient USDC triggers 402 payment required","Rate limiting or node congestion may return 429 or 503","Non-Base (e.g. Ethereum mainnet) addresses may return inaccurate or empty results"],"whenToPreferThis":"Use this endpoint when you need a quick composite reputation or activity signal for a specific Base wallet, especially when you want smart wallet classification plus balance and USDC flow context in a single call. Prefer this over raw RPC queries when you need a normalized 0–100 score rather than raw on-chain data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:31:41.544Z","isFirstParty":false}