{"uid":"cap_h42c4PBC8iwfxCQOULaD-","slug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-ed54677a","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://hn-pulse.agentdiet.dev/v1/email-validator)","url":"https://hn-pulse.agentdiet.dev/v1/email-validator?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"$0.005/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_YXOEEoOTmi1-SkWom5GAk","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"hn-pulse.agentdiet.dev","brandSlug":"hn-pulse-agentdiet-dev-mpp","brandBaseUrl":"https://hn-pulse.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — including whether it's from a disposable provider and whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Lead quality check before CRM import","prompt":"Before I import this lead list, can you verify that sarah.jones@acmecorp.io is a legitimate, deliverable email — not a throwaway address — and that its domain has proper MX and DMARC records set up?"},{"title":"Disposable email detection at signup","prompt":"A new user just signed up with temp-mail123@guerrillamail.com — can you tell me if that's a burner or disposable email provider so I can decide whether to block the registration?"},{"title":"Email infrastructure audit for outreach","prompt":"I'm about to send a cold outreach campaign to marketing@startupxyz.co — can you verify the syntax is valid, check whether it's a role account, and confirm the domain has working MX and SPF records so my emails won't bounce?"}],"resultDescription":"Returns a structured object indicating whether the email passed syntax validation, whether the provider is a known disposable/burner service, whether the address is a role account (e.g. admin@, support@), and the live DNS status of MX, SPF, and DMARC records for the email's domain — giving a comprehensive deliverability and legitimacy assessment.","failureModes":["Invalid or missing email parameter returns a validation error","DNS lookup timeouts may occur for newly registered or slow-responding domains","Disposable provider list may not cover every burner domain","Role account detection may produce false positives for legitimate addresses","Domains with no public DNS records may return incomplete MX/SPF/DMARC results"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, all-in-one email validation that goes beyond simple syntax checking — combining disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC verification in a single call. Ideal for pre-import lead validation, signup fraud prevention, and outreach deliverability checks where multiple signal types are needed simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:43:52.835Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c670a243"}