{"uid":"cap_tuabSjVM0TbJU8kYzwPgb","slug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-60b26719","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-deliverability-verifier)","url":"https://hn-pulse.agentdiet.dev/v1/mx-deliverability-verifier?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_bEGsxNw5f8Nk6foBa50xd","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 — confirm the syntax is valid, the domain has working MX records, and it's not a disposable or role-based address?","exampleUseCases":[{"title":"Screening signups for burner emails","prompt":"Before I add this new user signup — registerme@mailnator.com — to my database, can you verify whether it's a disposable or burner email and whether it can actually receive messages?"},{"title":"Pre-send deliverability check for outreach","prompt":"I'm about to send a cold outreach campaign. Can you verify that contact@acmecorp.io has valid MX records, SPF, and DMARC set up so my emails won't bounce or be flagged?"},{"title":"CRM lead email hygiene audit","prompt":"I've got a new lead with email sales@bigprospect.net — can you check if it's a role account, whether the domain has proper email DNS records, and if it's likely to actually receive mail?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain uses a known disposable/burner provider, whether the address is a role account (e.g. admin@, info@), and the live DNS lookup results for MX, SPF, and DMARC records — effectively a full deliverability risk assessment for the given address.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts may occur for obscure or slow-responding domains","Disposable provider database may not include newly created burner services","Live DNS results may differ from cached results if records were recently changed","No detailed error codes documented in the response schema"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that goes beyond syntax checking to include live DNS verification (MX, SPF, DMARC) and disposable/role account detection. It is particularly well-suited for agent workflows that need to assess email deliverability risk before CRM ingestion, outreach campaigns, or user registration flows, and supports HTTP 402 micropayment-based billing at $0.005 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:11.359Z","isFirstParty":false,"canonicalSlug":"hn-pulse-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c670a243"}