{"uid":"cap_dyJwfIPoMhfk76S_QPMrV","slug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-e6d37158","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/email-verify)","url":"https://mesh.agentdiet.dev/v1/email-verify?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_EpUd0kwGyzNkExEk0KOvu","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 confirm deliverability.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether it passes syntax checks, isn't from a disposable provider, and has valid MX, SPF, and DMARC records on the domain?","exampleUseCases":[{"title":"Signup form fraud prevention","prompt":"Before we create an account for the user who entered temp-mail123@mailnull.com at signup, can you verify whether that email is from a disposable or burner provider and whether the domain has valid MX records?"},{"title":"B2B lead list email hygiene","prompt":"I have a sales lead with the email address ceo@acmecorp.io — can you verify it's properly formatted, not a role account, and that the domain has working MX and SPF/DMARC records so we know it's worth reaching out?"},{"title":"Email deliverability audit before campaign","prompt":"We're about to send a campaign to contact@bigbrand.com — can you do a full deliverability check including MX, SPF, and DMARC records on that domain so we know messages won't bounce or get flagged?"}],"resultDescription":"Returns a structured object indicating whether the email passed syntax validation, whether the provider is a known disposable/burner service, whether it is a role-based account (e.g. info@, support@), and the live DNS lookup results for MX, SPF, and DMARC records on the email domain, enabling a comprehensive deliverability assessment.","failureModes":["Invalid or malformed email input returns a syntax error","DNS lookup timeout if the domain's nameservers are unresponsive","Unknown or newly registered domains may have incomplete DNS data","Payment required (HTTP 402) if x402 USDC micropayment not provided","Rate limiting if too many requests are sent without idempotency keys"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email validation that goes beyond simple syntax checking — specifically when you need live DNS MX/SPF/DMARC verification combined with disposable provider and role-account detection in a single call. Prefer it over static regex validators or basic MX-only checkers when lead quality, deliverability, and fraud prevention all matter simultaneously.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:32:25.735Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-59ba9778"}