{"uid":"cap_jDdzM-aRvGPKPHGzfiOmX","slug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1c334255","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://email-verify.agentdiet.dev/)","url":"https://email-verify.agentdiet.dev/?utm_source=zero.xyz","method":"POST","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":"0.005000","displayCostAsset":"USD","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":"$0.005000/call","primary":{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005000","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005000","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Dq_Q_acjqqp75gbJn7Tcd","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005000","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":"email-verify.agentdiet.dev","brandSlug":"email-verify-agentdiet-dev-mpp","brandBaseUrl":"https://email-verify.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX/SPF/DMARC record verification.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether it passes syntax checks, isn't from a disposable provider, and has valid MX, SPF, and DMARC DNS records?","exampleUseCases":[{"title":"Scrub leads before email outreach","prompt":"Before we launch this cold email campaign, can you verify that marketing@acmecorp.io is a legitimate deliverable address — check its MX records, SPF, DMARC, and confirm it's not a role account or disposable domain?"},{"title":"Block burner signups at registration","prompt":"A new user just signed up with temp_user_99@mailnull.com — can you check if that email is from a disposable or burner provider and whether it would actually receive mail?"},{"title":"Audit domain email authentication posture","prompt":"Can you check the email deliverability setup for the domain behind hello@startupxyz.io — specifically whether they have MX, SPF, and DMARC records properly configured?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain is a known disposable/burner provider, whether it is a role-based address, and the live DNS status of MX, SPF, and DMARC records for the email's domain.","failureModes":["Invalid or malformed email input returns a syntax error","DNS lookup timeouts for domains with slow resolvers may delay or fail MX/SPF/DMARC checks","Unknown or newly registered domains may have no MX/SPF/DMARC records, returning empty results","Payment failure via x402 returns HTTP 402 before processing","Missing required email field returns a validation error"],"whenToPreferThis":"Choose this endpoint when you need a single-call, multi-signal email validation that covers syntax, DNS deliverability (MX), anti-spam policy (SPF/DMARC), disposable provider detection, and role account flagging simultaneously — especially in agent pipelines handling lead enrichment, user registration, or outreach list hygiene where paying per-verified result is acceptable and live DNS accuracy matters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:37:29.313Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-425d30b4"}