{"uid":"cap_dH007N3_jd9yLfnVH98pn","slug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-53bbb7a0","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-check)","url":"https://token-intel.agentdiet.dev/v1/mx-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_VJQTKOdba78eJPAdooxDU","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 domain status, role-account detection, and live DNS MX, SPF, and DMARC record presence.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically if it has valid MX records, isn't a disposable or burner address, and whether the domain has SPF and DMARC set up?","exampleUseCases":[{"title":"Pre-send email list scrubbing","prompt":"Before I send this campaign, check if newsletter@techstartup.io is a legit deliverable address — I want to know if it has working MX records and isn't a throwaway or role account."},{"title":"User signup fraud screening","prompt":"A new user just registered with temp-mail@guerrillamail.com — can you verify if that's a disposable or burner email and whether the domain has any real mail infrastructure like MX and SPF records?"},{"title":"B2B lead email qualification","prompt":"I'm about to reach out to a sales lead at info@prospectcorp.net — can you check if that email is deliverable, whether it's a role account, and if the domain has DMARC configured?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain is associated with a known disposable/burner provider, whether it is a role-based account (e.g. admin@, support@), 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 may result in inconclusive MX/SPF/DMARC status","Domain does not exist in DNS returns no-MX / undeliverable result","Newly registered domains may not yet have propagated DNS records","Disposable provider lists may lag behind newly created throwaway services"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive single-call email check covering syntax, deliverability, DNS security posture (SPF/DMARC), and disposable/role-account risk. It is ideal for pre-send list hygiene, signup fraud screening, and B2B lead qualification where you need live DNS verification rather than just format checking.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:41.354Z","isFirstParty":false,"canonicalSlug":"token-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-1d18f196"}