{"uid":"cap_HX2fjXiWEKj-dWm-jGp3R","slug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-c1ece66c","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://token-intel.agentdiet.dev/v1/mx-deliverability-verifier)","url":"https://token-intel.agentdiet.dev/v1/mx-deliverability-verifier?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_5HotMOPndpoOacz9v1lzO","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"token-intel.agentdiet.dev","brandSlug":"token-intel-agentdiet-dev-mpp","brandBaseUrl":"https://token-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 health.","exampleAgentPrompt":"Can you check whether john.doe@acmecorp.com is a real, deliverable email address — including whether the domain has valid MX records and isn't using a disposable or burner provider?","exampleUseCases":[{"title":"Pre-send lead list email scrubbing","prompt":"Before we email these B2B leads, can you verify that marketing@startup.io is a valid, deliverable address with proper MX and DMARC records set up, and not a role or disposable account?"},{"title":"Sign-up fraud detection","prompt":"A new user just registered with temp-mail99@mailinator.com — can you check if that's a disposable or burner email before we let them into the platform?"},{"title":"Cold outreach bounce prevention","prompt":"I'm about to send a cold outreach campaign — can you check if contact@globalventures.com is deliverable and that the domain has working SPF and MX records so my emails won't bounce?"}],"resultDescription":"Returns a structured object indicating whether the email is syntactically valid, whether the domain uses a disposable/burner provider, whether it is a role account (e.g. info@, admin@), and the live DNS lookup results for MX, SPF, and DMARC records — giving a comprehensive deliverability assessment.","failureModes":["Invalid or malformed email address input returns a syntax error","Domain has no MX records configured, flagged as undeliverable","DNS lookup timeout or resolution failure for the target domain","Disposable provider database may not cover every burner service","Rate limiting or payment failure when x402 micropayment is not satisfied"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, live email deliverability check that goes beyond simple syntax validation — specifically when you need MX, SPF, and DMARC DNS record verification combined with disposable/burner provider and role account detection in a single call. It is ideal for lead enrichment pipelines, sign-up fraud prevention, and cold outreach pre-screening where bounce rates and deliverability matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:46:50.326Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1d18f196"}