{"uid":"cap_B_etAJtlNhmqcfInxR_CU","slug":"sec-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-71294769","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://sec-intel.agentdiet.dev/v1/email)","url":"https://sec-intel.agentdiet.dev/v1/email?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_7By8xJXCUbKLLoY3J69pF","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"sec-intel.agentdiet.dev","brandSlug":"sec-intel-agentdiet-dev-mpp","brandBaseUrl":"https://sec-intel.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider detection, role account identification, and live DNS MX/SPF/DMARC record checks to assess deliverability.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — verify the syntax, check if it's from a disposable provider, and look up whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"User signup email validation","prompt":"Before we let this user register, can you verify that signup@tempmail.io is a legitimate email — check if it's a disposable or burner address, and confirm the domain actually has mail servers set up?"},{"title":"B2B lead list email hygiene","prompt":"I have a sales lead whose email is listed as sales@acme-corp.com — can you check whether that's a real deliverable address, whether it's a role account, and whether the domain has proper SPF and DMARC records?"},{"title":"Email security posture check","prompt":"Can you check the email domain for ceo@bigbank.com and tell me if they have SPF, DMARC, and working MX records configured — I want to know if their email infrastructure is properly secured?"}],"resultDescription":"Returns a structured assessment of the email address including: syntax validity, whether the domain belongs to a known disposable/burner provider, whether it is a role-based account (e.g. info@, noreply@), live DNS MX record presence and values, SPF record existence and policy, and DMARC record existence and policy — collectively indicating whether the email is likely deliverable and trustworthy.","failureModes":["Missing or malformed email parameter returns a 400 error","DNS lookup timeout for domains with slow or unreachable nameservers","False negatives on newly registered disposable providers not yet in blocklists","Role account detection may miss unusual role prefixes","Payment failure via x402 if USDC balance is insufficient","Domains with intentionally missing DNS records may be flagged as undeliverable even if valid"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live email validation that goes beyond syntax checking — specifically when you need real-time DNS MX/SPF/DMARC lookups combined with disposable provider and role account detection in a single call. Prefer this over simple regex validators when onboarding users, scrubbing lead lists, or assessing email security posture. It is especially useful for agents that need to make automated trust decisions about email addresses without a separate DNS lookup service.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:06.911Z","isFirstParty":false,"canonicalSlug":"sec-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-71294769"}