{"uid":"cap_PagrRg9qSboieZ96fCs8i","slug":"polymarket-odds-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-8c3833a0","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)","url":"https://polymarket-odds.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_jHu92ecEfjvfNNIqIGoIL","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, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically whether it passes syntax checks, isn't a disposable or burner domain, has valid MX records, and the domain has SPF and DMARC set up?","exampleUseCases":[{"title":"Pre-send lead validation for outreach","prompt":"Before I fire off my sales email campaign, check if sarah.jones@acmecorp.io is deliverable — I need to know if the syntax is valid, if it's a real domain with MX records, and whether it's a throwaway address."},{"title":"Signup fraud prevention for SaaS app","prompt":"A new user just signed up with register99@mailinator.com — can you verify if that's a disposable or burner email, and whether it would actually receive messages?"},{"title":"Email security audit for a domain","prompt":"I'm doing due diligence on a partner company — check if their contact address info@partnerco.com has proper SPF and DMARC DNS records configured, and whether the domain's MX records are live."}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain belongs to a known disposable or burner provider, whether it is a role-based account (e.g. admin@, support@), and live DNS lookup results including MX records (deliverability), SPF policy, and DMARC policy for the email's domain.","failureModes":["Missing required 'email' parameter returns an error response","Malformed email string may return syntax-invalid result without DNS checks","DNS lookup timeout for obscure or offline domains may yield incomplete MX/SPF/DMARC results","Payment required (HTTP 402) if x402 micropayment is not included","Rate limiting if too many requests are made in a short window"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check covering syntax, DNS deliverability (MX), email authentication (SPF/DMARC), disposable provider detection, and role-account flagging — especially useful in B2B lead enrichment, SaaS signup fraud prevention, or pre-campaign validation workflows where a single $0.005 lookup replaces multiple separate DNS and blocklist queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:45:16.326Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-8c3833a0"}