{"uid":"cap_WYY1Ub8BDG4Gj0Ae5AV17","slug":"agentutility-email-domain-age-check-cee4a840","name":"AgentUtility Email Domain Age Check","description":"Paid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.","url":"https://x402.agentutility.ai/email-domain-age-check","method":"POST","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","type":"object","properties":{"input":{"type":"object","properties":{"type":{"type":"string","const":"http"},"method":{"type":"string","enum":["POST"]},"bodyType":{"type":"string","enum":["json","form-data","text"]},"body":{"properties":{"domain":{"type":"string","description":"Apex domain to look up (e.g. 'example.com'). Subdomains are stripped to the registrable domain before query."},"include_certificates":{"type":"boolean","description":"If true, fetch a crt.sh certificate-transparency summary (issuer counts, first/last seen, total certs). Default false."}},"required":["domain"]}},"required":["type","method","bodyType","body"],"additionalProperties":false},"output":{"type":"object","properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"domain":{"type":"string"},"age_days":{"type":"integer"},"days_until_expiry":{"type":"integer"},"flags":{"type":"array"}}}},"required":["type"]}},"required":["input"]},"responseSchema":{"type":"json","example":{"flags":[],"domain":"notion.so","age_days":2400,"days_until_expiry":215}},"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":"$0.02/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_nJ9C3sMYEwXSh7fwLaYZz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the age, expiry, and flag status of an email domain via WHOIS-based lookup","exampleAgentPrompt":"Can you check how old the domain is for this email address — user@notion.so — and flag it if it looks newly registered or suspicious?","exampleUseCases":null,"resultDescription":"A JSON object containing the domain name, its age in days, days remaining until domain expiry, and an array of flags (e.g. newly registered, suspicious) for that domain.","failureModes":["Domain not found in WHOIS — returns empty or null age","Invalid email or domain format — likely 4xx validation error","WHOIS lookup timeout or rate limit — service-side error","Domain uses privacy protection obscuring registration date","TLD not supported by WHOIS lookup"],"whenToPreferThis":"Use this endpoint when you need to assess the trustworthiness of an email address by checking how long its domain has been registered, particularly for fraud detection, spam filtering, or lead qualification workflows. Prefer this over manual WHOIS lookups when you need a structured, machine-readable result with flags already computed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:59:10.539Z","isFirstParty":false}