{"uid":"cap_6ymQlxDypp8lT9GqRzFxk","slug":"serp-extract-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-18768445","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://serp-extract.agentdiet.dev/v1/email)","url":"https://serp-extract.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"},"limit":{"type":"integer","default":20,"maximum":100,"minimum":1,"description":"Maximum number of items to return per page (1-100)"},"cursor":{"type":"string","description":"Opaque pagination cursor for fetching the next page"}}},"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_tpqHeFVzvksC-4d2Ikm6C","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"serp-extract.agentdiet.dev","brandSlug":"serp-extract-agentdiet-dev-mpp","brandBaseUrl":"https://serp-extract.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 — verify the syntax, look up its MX records, and flag it if it's a disposable or role address?","exampleUseCases":[{"title":"Screening signups for fake emails","prompt":"Before we send the welcome email, can you check whether newuser@mailinator.com is a legit address or a throwaway — verify its syntax, MX records, and whether it's a disposable provider?"},{"title":"Validating leads before outreach","prompt":"I have a sales lead with the email contact@prospectcorp.io — can you verify it's deliverable, check if the domain has proper MX and SPF records, and tell me if it's a role account?"},{"title":"Auditing email domain DNS health","prompt":"Can you run a full deliverability check on support@mybrand.com — I need to know if the MX, SPF, and DMARC records are all properly configured for that domain?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain has live MX records (confirming deliverability), SPF and DMARC DNS record presence and content, whether the provider is a known disposable/burner service, and whether the local part is a role address (e.g. info@, admin@, noreply@).","failureModes":["Invalid or missing email parameter returns a validation error","DNS timeout or unreachable nameservers may cause MX/SPF/DMARC lookups to fail or return incomplete data","Newly registered domains may not yet have propagated DNS records, yielding false negatives","Highly obscure disposable providers not in the blocklist may be missed","Payment failure (HTTP 402) if x402 USDC balance is insufficient"],"whenToPreferThis":"Choose this endpoint when you need a single-call, real-time email hygiene check that combines syntax validation, live DNS MX lookup, SPF/DMARC policy verification, disposable provider detection, and role-account flagging — especially in agentic or automated workflows that require HTTP 402 micropayment support. Prefer it over basic syntax-only validators when actual deliverability and anti-fraud signals matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:00.141Z","isFirstParty":false,"canonicalSlug":"serp-extract-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-18768445"}