{"uid":"cap_g9g0kGbl3rsV29oZZ5OXw","slug":"td-agent-utility-email-verification-132b4c22","name":"TD Agent Utility · Email Verification","description":"Independent website and deployment verification for AI agents: HTTP, DNS, TLS and Chromium screenshot evidence. Three deterministic tools, x402 V2 Base USDC.","url":"https://tdagentutility.co.uk/v1/email-verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"tool":"email_verify","null_mx":false,"warnings":[],"checked_at":"2026-10-15T00:00:00Z","dns_exists":null,"mx_records":[],"role_address":false,"result_status":"PASS","normalized_email":null,"disposable_domain":null,"mailbox_existence":"UNKNOWN","normalized_domain":null,"syntactically_valid":false,"mail_infrastructure_valid":null}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dalTFo73TaCtYGgRUuc4Z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address by checking syntax, DNS existence, MX records, disposable domain status, and mailbox existence","exampleAgentPrompt":"Can you verify whether the email address john.doe@example.com is valid — check if it's syntactically correct, has real DNS and MX records, isn't a disposable address, and whether the mailbox actually exists?","exampleUseCases":[{"title":"Pre-send email list hygiene","prompt":"Before I send out this marketing campaign, can you check whether contact@bigcorp.io is a real, deliverable email — I need to know if the domain has valid MX records and whether it's a disposable or role address."},{"title":"New user signup validation","prompt":"A user just signed up with the email temp9284@mailinator.com — can you verify it and tell me if it's a disposable throwaway address or has any warnings I should know about before I create their account?"},{"title":"B2B lead email qualification","prompt":"I scraped a lead with the email info@somestartup.co.uk — can you verify if that email address is real, whether the domain has mail infrastructure, and if it's a role address like a generic info inbox?"}],"resultDescription":"Returns a JSON object with: result_status (PASS/FAIL), syntactically_valid boolean, dns_exists boolean, null_mx boolean, mx_records array, disposable_domain flag, role_address boolean, mailbox_existence (UNKNOWN/EXISTS/DOES_NOT_EXIST), normalized_email, normalized_domain, checked_at timestamp, and a warnings array listing any issues detected.","failureModes":["Invalid or malformed email input returns syntactically_valid: false with FAIL status","Unresolvable domain returns dns_exists: false","Domain exists but has no MX records returns null_mx: true","Mailbox existence often returns UNKNOWN when SMTP probing is blocked or unavailable","Network timeouts during DNS or SMTP checks may result in partial results","Disposable domain databases may have incomplete coverage for newer throwaway providers"],"whenToPreferThis":"Choose this endpoint when you need deterministic, multi-layer email validation beyond simple regex checks — especially when you need DNS and MX record verification, disposable domain detection, and role address flagging in a single call. Prefer this over client-side validation libraries when building agent workflows that require reliable delivery confidence before sending messages or creating user accounts.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T12:39:01.658Z","isFirstParty":false,"canonicalSlug":"td-agent-utility-email-verification-132b4c22"}