{"uid":"cap_7icyyYskOuJ57HDUUAX6E","slug":"shopify-spy-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-b7f4bd6e","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://shopify-spy.agentdiet.dev/v1/mx-check)","url":"https://shopify-spy.agentdiet.dev/v1/mx-check?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_ahGAFGd72XoAi_Pir4-qK","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"shopify-spy.agentdiet.dev","brandSlug":"shopify-spy-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-spy.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 verification.","exampleAgentPrompt":"Can you check whether john.doe@acmecorp.com is a real, deliverable email address — specifically whether its domain has valid MX records, isn't a disposable or burner provider, and has SPF and DMARC configured?","exampleUseCases":[{"title":"Screening signups for throwaway emails","prompt":"Before I add this new user to our system, check if the email they signed up with — tempuser123@mailinator.com — is a disposable or burner address and whether it can actually receive mail."},{"title":"Outreach list email hygiene","prompt":"I have a cold outreach target: ceo@startupxyz.io — can you verify that email is syntactically valid, not a role account, and that the domain has working MX records before I send anything?"},{"title":"Email authentication audit for a domain","prompt":"I'm about to email a prospect at sales@bigclient.com — can you tell me whether that domain has SPF and DMARC records set up and whether the mailbox is likely to receive messages?"}],"resultDescription":"Returns a structured object indicating whether the email address is syntactically valid, whether it belongs to a known disposable or burner email provider, whether it is a role account (e.g. info@, admin@), and the live DNS status of the domain's MX, SPF, and DMARC records — providing a comprehensive deliverability and trust assessment.","failureModes":["Invalid or malformed email string returns a syntax error or validation failure","Domain with no MX records returns undeliverable status","DNS lookup timeout for slow or unreachable nameservers","Disposable provider database may not cover every new burner service","Role account detection may produce false positives for uncommon prefixes"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that combines syntax checking, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC verification. It is especially useful for B2B lead qualification, signup form validation, and outreach list hygiene where you need more than just a regex check. Prefer it over generic SMTP-ping tools when email authentication record auditing (SPF/DMARC) is also required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:02.248Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-3eab046c"}