{"uid":"cap_E8OsU2Dno0ecLyZssR9KJ","slug":"polymarket-odds-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-a4ffd091","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://polymarket-odds.agentdiet.dev/v1/email-validator)","url":"https://polymarket-odds.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_noanf7x82LBjEp51z8wbQ","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"polymarket-odds.agentdiet.dev","brandSlug":"polymarket-odds-agentdiet-dev-mpp","brandBaseUrl":"https://polymarket-odds.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 health.","exampleAgentPrompt":"Can you check if john.doe@acme-corp.com is a real, deliverable email address — specifically whether it passes syntax checks, isn't from a burner provider, and has valid MX, SPF, and DMARC DNS records?","exampleUseCases":[{"title":"Screen leads before CRM import","prompt":"Before I import this list of sales leads, can you verify that contact@globaltraders.io is a real deliverable email and not a disposable or role address with broken MX records?"},{"title":"Block fake signups at registration","prompt":"A new user just signed up with tempuser99@mailnator.com — can you check if that email is from a disposable burner provider so I can decide whether to block the registration?"},{"title":"Audit partner domain email security","prompt":"I'm about to send a sensitive contract to legal@partnercompany.net — can you confirm their domain has proper SPF and DMARC records set up so my email won't be spoofed or rejected?"}],"resultDescription":"Returns a structured JSON object indicating: whether the email address passes syntax validation, whether the domain is a known disposable or burner provider, whether the account appears to be a role-based address (e.g. info@, admin@), and the live DNS lookup results for MX (mail server existence), SPF (sender policy), and DMARC (domain-based message authentication) records.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts for domains with slow or unreachable nameservers","Disposable provider list may not cover brand-new throwaway domains","Domain exists but has no MX records — email is syntactically valid but undeliverable","Payment required (HTTP 402) if x402 micropayment credential is absent or insufficient"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check that combines syntax validation, disposable/burner detection, role-account flagging, and live DNS MX/SPF/DMARC lookups — rather than simple format-only regex checks or separate DNS tooling. Particularly useful in B2B lead enrichment, user registration screening, and pre-send campaign validation pipelines where deliverability and email security posture both matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:43:19.493Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-8c3833a0"}