{"uid":"cap_aRrBwA6reOc0V_Ft5COtr","slug":"shopify-spy-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-f6a9bdda","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/email-check)","url":"https://shopify-spy.agentdiet.dev/v1/email-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_jH1kdV1Y65Gxq2A7lsaUw","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 checks","exampleAgentPrompt":"Can you verify whether john.doe@example.com is a real, deliverable email address — check syntax, MX records, SPF, DMARC, and whether it's from a disposable or burner provider?","exampleUseCases":[{"title":"Signup form disposable email filter","prompt":"Before creating an account for the email user@mailinator.com, check if it's from a disposable or burner email provider and whether the domain has valid MX records so I know if it's a real user."},{"title":"Pre-send deliverability check for sales outreach","prompt":"I'm about to send a cold outreach email to cto@acmecorp.io — can you verify the email is syntactically valid, the domain has live MX records, and SPF and DMARC are configured so my message won't bounce or get flagged?"},{"title":"CRM data quality audit for a contact","prompt":"We have the email address info@bigco.com in our CRM — check if it's a role account, whether the domain's DNS has MX, SPF, and DMARC records set up, and flag it if it looks undeliverable."}],"resultDescription":"Returns a structured object containing email syntax validity, whether the domain is associated with a disposable or burner provider, whether the address is a role account (e.g. admin@, info@), live DNS MX record presence and values, SPF record existence and content, and DMARC policy record details — giving a comprehensive deliverability and risk assessment for the given email address.","failureModes":["Invalid or missing email parameter returns an error response","Non-existent domain returns MX lookup failure with no records found","DNS timeout may occur for slow-responding nameservers","Newly registered domains may lack SPF/DMARC records, returning empty policy fields","Malformed email strings that pass basic syntax but have unusual TLDs may produce ambiguous results"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that combines syntax checking, disposable/burner provider detection, role-account flagging, and live DNS MX/SPF/DMARC record lookups. It is particularly well-suited for autonomous agent workflows requiring payment via x402/USDC micropayments, or when integrating with an MCP-compatible agent stack. Prefer this over basic regex-only validators when deliverability confidence and anti-abuse signals both matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:23:36.334Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-3eab046c"}