{"uid":"cap_xRZ2zBGeNtoDusw7qyqJp","slug":"shopify-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-5981ac16","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/email-check)","url":"https://shopify-intel.agentdiet.dev/v1/email-check?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_mHWkl4FDLsNWyMBjz-V7b","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, and DMARC record verification.","exampleAgentPrompt":"Can you verify whether john.doe@acme.com is a real, deliverable email — check the syntax, confirm the domain has MX records, and flag it if it's from a disposable provider or set up as a role account?","exampleUseCases":[{"title":"Lead quality gate before CRM entry","prompt":"Before we add this lead to our CRM, check whether sarah.jones@prospectco.io is a valid, deliverable email — make sure the domain has MX records and it's not a throwaway or role address like sales@ or noreply@."},{"title":"Signup fraud screening for SaaS onboarding","prompt":"A new user just signed up with the email temp_user99@mailinator.com — can you verify if it's from a disposable or burner provider and whether the domain actually has working mail servers?"},{"title":"Email infrastructure audit for a sender domain","prompt":"I'm about to run an outreach campaign from our domain. Can you check whether the recipient address partner@globalvendor.net is deliverable and whether their domain has SPF and DMARC records properly configured?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain is a known disposable/burner provider, whether the address is a role account, and the live DNS status of the domain's MX, SPF, and DMARC records — giving a full deliverability and authentication picture for the queried address.","failureModes":["Invalid or missing email field returns a validation error","DNS lookup timeouts if the domain's nameservers are unresponsive","Unknown disposable provider may not be flagged if not in provider database","Rate limiting or payment failure (HTTP 402) if USDC balance is insufficient","Malformed email strings that pass syntax checks but are not real addresses"],"whenToPreferThis":"Choose this endpoint when you need a single, comprehensive email check that covers syntax, live DNS MX/SPF/DMARC records, disposable provider detection, and role-account flagging in one call — particularly in B2A/agent pipelines where cost-per-call ($0.005) matters and you want x402 micropayment-native, MCP-compatible access without setting up your own DNS resolver stack.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:30:34.360Z","isFirstParty":false,"canonicalSlug":"shopify-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-10b44ebf"}