{"uid":"cap_bFAXDf4PeEgEczPI-oXwG","slug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-c78dd6eb","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-check)","url":"https://mesh.agentdiet.dev/v1/email-check?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_6L2CDmJlRh7rWzan-smoq","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 verification to confirm deliverability.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — make sure it's not a disposable provider or a role account, and confirm the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Pre-send lead list email scrubbing","prompt":"Before I send this outreach campaign, check if the email contact@acmecorp.io is actually deliverable — I want to know if the MX records are set up, whether it's a disposable address, and if it's a generic role account."},{"title":"User sign-up fraud prevention","prompt":"A new user just registered with the email throwaway123@guerrillamail.com — can you verify if it's a real deliverable address or a burner/disposable one so I can decide whether to block the registration?"},{"title":"CRM email health audit","prompt":"I need to check if support@bigcompany.net is a valid email — does the domain have working MX records, and are SPF and DMARC properly configured so mail won't bounce or get flagged as spam?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain is a known disposable/burner provider, whether the local part is a role account (e.g. admin, info, support), and live DNS lookup results for MX records (mail server existence), SPF record (sender policy), and DMARC record (domain-based message authentication), collectively indicating whether the address is likely deliverable.","failureModes":["Missing or invalid email parameter returns a 400-level error","DNS lookup timeouts may cause incomplete MX/SPF/DMARC results for slow or unresponsive nameservers","Payment required error (HTTP 402) if x402 micropayment is not submitted","Disposable provider list may not cover all newly created burner domains","Role account detection is heuristic and may have false positives for legitimate department addresses"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time single-call check combining syntax validation, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC verification — particularly in B2B lead enrichment, sign-up fraud prevention, or pre-campaign email scrubbing workflows. Prefer it over basic regex-only validators when DNS-level deliverability confirmation is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:39:33.819Z","isFirstParty":false,"canonicalSlug":"mesh-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-59ba9778"}