{"uid":"cap_1A1QqqoCGs6fmlFLkqEzU","slug":"shopify-spy-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-4d3b57a6","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/spf-dmarc-auditor)","url":"https://shopify-spy.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_Ew-bUY5l7KqurJcdNh_0o","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 health.","exampleAgentPrompt":"Can you check whether support@acmecorp.com is actually deliverable — I want to know if the syntax is valid, if it's a disposable or role account, and whether the domain has proper MX, SPF, and DMARC records set up?","exampleUseCases":[{"title":"Email validation at user signup","prompt":"Before we let this user register, can you verify that their email address j.doe@tempmail.io is real and deliverable — specifically check if it's a disposable burner address and whether the domain has working MX records?"},{"title":"Pre-campaign deliverability audit","prompt":"I'm about to send a cold outreach email to partnerships@rivalsoftware.com — can you confirm it's syntactically valid, not a role account, and that the domain has MX, SPF, and DMARC properly configured so my message won't bounce or get flagged?"},{"title":"B2B lead email hygiene check","prompt":"We got a lead with email ceo@startupxyz.io — can you run a full deliverability check on it, including DNS MX lookup and whether the domain has SPF and DMARC records, before we add it to our CRM?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain belongs to a known disposable/burner provider, whether it is a role-based account (e.g. admin@, info@), and live DNS lookup results including MX records, SPF record presence/content, and DMARC policy record, enabling a complete deliverability and trust assessment.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are unresponsive","Non-existent domain returns no MX/SPF/DMARC records found","Ambiguous results for newly registered domains with incomplete DNS propagation","Rate limiting or payment failure if the x402 micropayment is not completed"],"whenToPreferThis":"Choose this endpoint when you need a single-call, comprehensive email health check covering syntax, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC validation — especially useful in B2B lead enrichment, user onboarding flows, or pre-send deliverability audits where bounce risk and domain reputation matter. Prefer it over simple syntax-only validators when DNS record verification and spam signal detection are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:26:10.489Z","isFirstParty":false,"canonicalSlug":"shopify-spy-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-3eab046c"}