{"uid":"cap_XFSbUXuwvH2b8ao7r0rsN","slug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-c03f4461","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/api)","url":"https://email-verify.agentdiet.dev/api?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_B1T-_BRJEzteUv_JHfegr","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","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 checks.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — specifically whether it passes syntax checks, has working MX records, and isn't from a disposable or burner provider?","exampleUseCases":[{"title":"Lead list email hygiene","prompt":"I have a lead I'm about to email — can you verify that sarah.jones@prospectcorp.io is actually deliverable and not a throwaway address, and check whether the domain has proper MX and SPF records set up?"},{"title":"Signup fraud prevention check","prompt":"Before I create an account for this new user, can you check if the email they provided — tempuser123@mailnull.com — is a disposable or burner address, and whether it even has valid MX records?"},{"title":"Cold outreach domain audit","prompt":"I'm about to run a cold email campaign and want to know if marketing@targetdomain.com is a role account and whether targetdomain.com has DMARC configured — can you run a full email deliverability check on it?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain has live MX records, whether SPF and DMARC DNS records are present and configured, whether the provider is a known disposable/burner service, and whether the address appears to be a role account (e.g. info@, admin@).","failureModes":["Missing or malformed email parameter returns an error response","DNS lookup timeouts for obscure or newly registered domains may result in inconclusive MX/SPF/DMARC results","Disposable provider detection may miss very new or niche burner services not yet in the blocklist","Payment required (HTTP 402) if x402 micropayment is not included or fails","Extremely long or unusual email strings may fail syntax parsing edge cases"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live email validation that goes beyond simple syntax checks — specifically when you need to confirm DNS-level deliverability (MX records), detect throwaway/burner addresses, identify role accounts, and verify SPF/DMARC policy presence in a single call. Prefer this over basic regex validators or static blocklist checkers when real-time DNS accuracy matters, such as during lead qualification, signup fraud prevention, or pre-campaign email hygiene.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:06.915Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-425d30b4"}