{"uid":"cap_zCW-g9LvrA6ju23MDTvrn","slug":"walletbureau-risk-score-for-base-address-2d2a36d8","name":"WalletBureau Risk Score for Base Address","description":"Check who your agent is about to pay. A 0-100 score, a verdict and explained risk flags for any Base address, from its full x402 payment history. $0.01 per check, no signup.","url":"https://walletbureau.com/v1/score/%7Baddress%7D?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"meta":{"api_version":"v1","cache_age_seconds":312},"flags":[{"code":"activity_spike","reason":"Volume over the last 24 h is 12x the median of the last 30 days","severity":"low"}],"score":74,"stats":{"tx_in":1204,"first_seen":"2025-11-02T00:00:00Z","distinct_payers":311},"address":"0x…","verdict":"ok"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_AVCJRpiIFwjmRcwIlLfVu","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a 0-100 risk score, a verdict, and explained risk flags for any Base blockchain address based on its x402 payment history","exampleAgentPrompt":"Before you send that x402 payment, can you run a WalletBureau risk check on 0xAbC123...def to see its score, verdict, and any red flags from its payment history?","exampleUseCases":[{"title":"Screen payee before agent micropayment","prompt":"I'm about to let my agent pay 0x4f3a...9c21 for an API call — can you pull a WalletBureau risk score on that address first and tell me if it's safe?"},{"title":"Flag high-risk vendor in marketplace","prompt":"We've got a new vendor submitting payments from 0x7d2b...8f44 on Base — run a risk score on that wallet and flag anything suspicious in its x402 history before we whitelist them."},{"title":"Investigate activity spike on known address","prompt":"I saw an alert about unusual volume on 0xA1B2...C3D4 — can you check WalletBureau to get the risk score, verdict, and explain any flags like activity spikes or anomalies?"}],"resultDescription":"A JSON object containing a 0-100 numeric risk score, a human-readable verdict (e.g. 'ok'), an array of explained risk flags (each with a code, severity, and reason), aggregate transaction statistics (total inbound tx count, distinct payer count, first-seen date), the queried address, and API metadata including version and cache age in seconds.","failureModes":["Invalid or malformed address format returns an error response","Address with no x402 payment history may return minimal stats or a neutral score","Stale cache data indicated by high cache_age_seconds in the meta field","Service unavailable if walletbureau.com is down or rate-limited","Payment failure for the $0.01 USDC x402 fee results in 402 response and no score returned"],"whenToPreferThis":"Choose this endpoint when your agent needs to assess counterparty risk for a Base network address specifically within the x402 payment ecosystem — particularly before executing automated micropayments or whitelisting a new payee. It is purpose-built for x402 payment history analysis on Base and provides richer, more contextual signals than generic blockchain analytics tools for this use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-08T18:30:02.907Z","isFirstParty":false,"canonicalSlug":"walletbureau-risk-score-for-base-address-2d2a36d8"}