{"uid":"cap_po3rOLNBUsDwkUXwDBuAD","slug":"x402-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-10ef81e2","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://x402-audit.agentdiet.dev/v1/disposable-email)","url":"https://x402-audit.agentdiet.dev/v1/disposable-email?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_azvWyXi05z4cOd7ZEC_EW","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"x402-audit.agentdiet.dev","brandSlug":"x402-audit-agentdiet-dev-mpp","brandBaseUrl":"https://x402-audit.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 presence.","exampleAgentPrompt":"Can you check if john.doe@tempmail.com is a real, deliverable email address — specifically whether it's from a disposable provider, has valid MX records, and has SPF and DMARC set up?","exampleUseCases":[{"title":"Screen signups for fake emails","prompt":"Before I add new user registrations to my CRM, can you check whether the email they gave — signup@guerrillamail.com — is a disposable or burner address with working MX records?"},{"title":"Cold outreach deliverability check","prompt":"I'm about to send a campaign to contact@acmecorp.io — can you verify that email is deliverable and that the domain has proper SPF and DMARC DNS records so my messages won't get rejected?"},{"title":"Detect role accounts in lead list","prompt":"Can you check whether sales@bigcompany.com is a role account like info@ or noreply@, and whether the domain actually has MX records configured so it can receive mail?"}],"resultDescription":"Returns a structured object indicating whether the email has valid syntax, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), and the live DNS status of MX, SPF, and DMARC records for the email's domain.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are slow or unreachable","Unknown or very new domains may return incomplete DNS records","Disposable provider list may not cover brand-new burner services","Rate limiting or payment failure (HTTP 402) if USDC micropayment is not processed"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email quality check combining syntax validation, disposable provider detection, role account flagging, and live DNS MX/SPF/DMARC verification in a single call — especially in B2B lead qualification, signup fraud prevention, or pre-send deliverability auditing workflows where a $0.005 per-call cost is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:21:56.740Z","isFirstParty":false,"canonicalSlug":"x402-audit-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-bdea972c"}