{"uid":"cap_gHuhOCC48OMQgswpMsz3o","slug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-39d63963","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/mx-check)","url":"https://hn-pulse.agentdiet.dev/v1/mx-check?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_aGyEomX4xrZSxWW7jGRk-","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 presence.","exampleAgentPrompt":"Can you verify whether john.doe@acmecorp.com is a real, deliverable email — check its MX, SPF, and DMARC records and tell me if it's from a disposable or role-based provider?","exampleUseCases":[{"title":"Lead list email screening","prompt":"Before I import this list of sales leads into my CRM, can you check whether contact@startupxyz.io is a valid, deliverable email and not a burner or generic role address?"},{"title":"Sign-up fraud prevention check","prompt":"A user just registered with the email temp-user123@mailinator.com — can you verify if it's a real deliverable address or a disposable throwaway provider I should block?"},{"title":"Email campaign pre-send audit","prompt":"I'm about to send a marketing email to newsletter@bigclient.com — can you check if that domain has proper MX, SPF, and DMARC records so I know it won't bounce or land in spam?"}],"resultDescription":"Returns a structured object containing email syntax validity, whether the domain uses a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), and live DNS lookup results for MX, SPF, and DMARC records — giving a clear picture of whether the email is safe and deliverable.","failureModes":["Missing or malformed email parameter returns a validation error","Domains with no DNS records will return MX/SPF/DMARC as absent or unresolvable","Temporary DNS lookup failures may return inconclusive results","Very new domains may not yet have propagated DNS records","Rate limiting or payment failure (HTTP 402) if USDC micropayment is not settled"],"whenToPreferThis":"Choose this endpoint when you need a real-time, multi-signal email check that goes beyond simple syntax validation — specifically when you need live DNS MX/SPF/DMARC record verification combined with disposable provider detection and role-account flagging in a single call. Ideal for lead enrichment pipelines, signup fraud prevention, and pre-send email campaign audits where deliverability confidence is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:06.741Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c670a243"}