{"uid":"cap_NWEafqlVWnX9yaECZHl5H","slug":"polymarket-odds-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-f7429e26","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/spf-dmarc-auditor)","url":"https://polymarket-odds.agentdiet.dev/v1/spf-dmarc-auditor?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_c6J70Z8zMWlxbr_ph80A5","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 detection, role account flagging, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — verify the syntax, look up the MX records, and tell me if the domain has SPF and DMARC set up and if it's a disposable or role account?","exampleUseCases":[{"title":"Pre-send campaign email screening","prompt":"Before I import this lead list into our email tool, check whether sarah.johnson@acmecorp.com is actually deliverable — I need to know if the MX records exist, whether it's a throwaway address, and if acmecorp.com has DMARC configured."},{"title":"Sign-up fraud prevention for SaaS","prompt":"A new user just registered with the email free_trial_99@mailinator.com — can you verify if that's a disposable burner address and whether the domain even has valid MX records before I provision their account?"},{"title":"Domain email security audit","prompt":"I'm onboarding a new vendor whose contact is billing@vendordomain.io — can you audit that email address for deliverability, check if it's a role account, and confirm whether their domain has SPF and DMARC records in place?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), live DNS MX record lookup results, SPF record presence and content, and DMARC record presence and policy — giving a comprehensive picture of deliverability and email security posture.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeouts may cause MX/SPF/DMARC checks to fail or return incomplete results","Newly registered domains may not yet have propagated DNS records, leading to false negatives","Disposable provider database may not cover all burner services, leading to missed detections","Payment failure (HTTP 402) if USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need a single-call comprehensive email check covering syntax, deliverability (live MX lookup), disposable/burner detection, role account flagging, and DNS email security (SPF/DMARC) in one shot — particularly in B2B lead enrichment, fraud prevention, or email campaign pre-screening workflows where multiple validation dimensions matter simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:07.857Z","isFirstParty":false,"canonicalSlug":"polymarket-odds-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-8c3833a0"}