{"uid":"cap_ys7AebM6OsgoPwK4ni6Tn","slug":"shopify-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-2f961e7b","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-intel.agentdiet.dev/v1/mx-deliverability-verifier)","url":"https://shopify-intel.agentdiet.dev/v1/mx-deliverability-verifier?utm_source=zero.xyz","method":"POST","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_RwiIieX9uwMD4iHi2Op_Q","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-intel.agentdiet.dev","brandSlug":"shopify-intel-agentdiet-dev-mpp","brandBaseUrl":"https://shopify-intel.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.smith@acmecorp.com is actually deliverable — I need to know if the domain has valid MX records, whether it passes SPF and DMARC, and if it looks like a disposable or role account before I send a cold email campaign?","exampleUseCases":[{"title":"Pre-send cold outreach email check","prompt":"Before I start my sales outreach campaign, can you verify that contact@bigclient.io is a real deliverable address — check the MX records, SPF, DMARC, and flag it if it's a role account or burner email?"},{"title":"New user signup email gating","prompt":"A user just signed up with the email temp123@mailinator.com — can you check if it's a disposable or burner provider, and whether the domain has working MX records, so I can decide whether to block the registration?"},{"title":"CRM data quality audit","prompt":"I have a lead in my CRM with the address support@startupxyz.com — can you verify the email syntax, check if there are live MX and DMARC records on that domain, and tell me if it's a role-based address I should flag?"}],"resultDescription":"Returns a structured report on the email address covering: syntax validity, whether the domain is a known disposable/burner provider, whether it is a role account (e.g. info@, noreply@), live DNS MX record presence and values, SPF record presence and policy, and DMARC record presence and policy — giving an overall deliverability assessment.","failureModes":["Invalid or malformed email input returns a syntax error response","DNS lookup timeout if the domain's nameservers are unresponsive","Domain does not exist (NXDOMAIN), resulting in no MX/SPF/DMARC records found","Disposable provider database may not cover newly created burner services","Rate limiting or payment failure (HTTP 402) if USDC micropayment is not resolved"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-signal email deliverability check that combines syntax validation, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC lookup in a single call — especially in B2B lead enrichment, signup fraud prevention, or pre-campaign list hygiene workflows where DNS-level accuracy matters and per-call micropayment pricing ($0.005) is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:31:07.344Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-10b44ebf"}