{"uid":"cap_2U3U0Aq5ej3-cLWtACSnt","slug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-3608584d","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/email-verify)","url":"https://token-intel.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_6rzKzdYFd8asiH2CgJuIQ","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 flags, and live DNS MX, SPF, and DMARC record health.","exampleAgentPrompt":"Can you check if john.doe@acmecorp.com is a real, deliverable email address — specifically whether it's from a disposable provider, whether it's a role account, and whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Scrubbing signup emails before onboarding","prompt":"Before I activate this new user account, can you verify that signup@tempinbox.net is a legitimate email — not a burner or disposable address — and that the domain actually has working MX records that can receive mail?"},{"title":"Sales lead email quality check","prompt":"I've got a lead with the email contact@globallogistics.io — can you check if it's a deliverable address, whether it looks like a role account, and whether the domain has SPF and DMARC properly set up?"},{"title":"Marketing list hygiene audit","prompt":"We're about to send a campaign to newsletter@startupboost.co — can you validate that email's syntax, check if the domain has live MX records, and flag it if it's a disposable or role-based address?"}],"resultDescription":"Returns a structured object indicating whether the email passed syntax validation, whether the domain belongs to a known disposable or burner provider, whether the address is a role account (e.g. admin@, info@), and the live DNS status of MX, SPF, and DMARC records for the email's domain — giving a comprehensive deliverability and trust assessment.","failureModes":["Malformed or empty email input returns a validation error","DNS lookup timeouts may result in inconclusive MX/SPF/DMARC results for slow-responding nameservers","Unknown or very new domains may not have SPF/DMARC records, returning absence flags rather than errors","Payment not fulfilled returns HTTP 402 blocking the request","Rate limits or service unavailability return 5xx errors"],"whenToPreferThis":"Choose this endpoint when you need a single-call, multi-signal email verification that combines syntax checking, disposable/burner detection, role-account flagging, and live DNS MX/SPF/DMARC record inspection. Prefer it over simple regex validators when deliverability and domain security posture both matter, and over generic WHOIS tools when you specifically need email-level DNS health. Especially useful in B2B lead enrichment pipelines, user onboarding flows, and marketing list hygiene where fake or undeliverable emails must be screened.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:31.036Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1d18f196"}