{"uid":"cap_adUMuj1zKJAYQ0eFI9sQo","slug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-52721ec6","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://mesh.agentdiet.dev/v1/mx-deliverability-verifier)","url":"https://mesh.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_KTOEerv9WnW4BRrKYpENW","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"mesh.agentdiet.dev","brandSlug":"mesh-agentdiet-dev-mpp","brandBaseUrl":"https://mesh.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 to assess real deliverability.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — verify the syntax, check if it's a disposable or burner provider, and confirm the domain has valid MX, SPF, and DMARC DNS records?","exampleUseCases":[{"title":"Lead quality screening before outreach","prompt":"Before we add these signups to our CRM, check whether contact@acmecorp.io is actually deliverable — I want to know if the domain has MX records, whether it's from a throwaway email service, and if the SPF and DMARC policies are set up properly."},{"title":"Blocking disposable emails at registration","prompt":"A new user just signed up with guerrillamail123@yopmail.com — can you verify whether this is a burner or disposable email provider so we can decide whether to block the account?"},{"title":"Email hygiene audit for cold outreach list","prompt":"I'm about to send a cold outreach campaign and want to make sure ceo@startupexample.com won't bounce — can you check if it has live MX records and whether the domain has SPF and DMARC configured?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain is a known disposable/burner provider, whether it is a role-based address (e.g. info@, noreply@), and whether the domain has valid MX, SPF, and DMARC DNS records, along with overall deliverability assessment.","failureModes":["Malformed or missing email input returns a 400 validation error","DNS lookup timeouts may result in indeterminate MX/SPF/DMARC status","Novel or very new disposable providers may not be flagged as such","Payment not provided or payment failure returns HTTP 402","Internal DNS resolution errors may return 5xx responses"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live email deliverability check that goes beyond simple syntax validation — covering disposable provider detection, role account identification, and real-time DNS MX/SPF/DMARC record verification in a single call. Prefer it over lightweight regex-only validators when lead quality, inbox deliverability, or fraud prevention are at stake.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:07.035Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-59ba9778"}