{"uid":"cap_VeI6mXWxB7LFQp1mKy4Wk","slug":"llms-generator-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-f9343bd6","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://llms-generator.agentdiet.dev/v1/email-validator)","url":"https://llms-generator.agentdiet.dev/v1/email-validator?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_xd3a6RYs4gIfws6bGoRHP","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"llms-generator.agentdiet.dev","brandSlug":"llms-generator-agentdiet-dev-mpp","brandBaseUrl":"https://llms-generator.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 if john.doe@acme-corp.com is a real, deliverable email — I want to know if the domain has valid MX records, whether it passes SPF and DMARC, and if it looks like a disposable or role-based address?","exampleUseCases":[{"title":"Lead list email hygiene check","prompt":"Before we import these leads, can you verify that sarah.jones@prospectcompany.io is a legitimate email — check its MX records, SPF, DMARC, and flag it if it's a disposable or role account?"},{"title":"User signup fraud prevention","prompt":"A new user just tried to register with temp-mailbox@guerrillamail.com — can you run a full deliverability and disposable-provider check on that email so I know if we should block the signup?"},{"title":"Cold outreach domain health audit","prompt":"I'm about to send a cold email campaign to contact@bigclient.com — can you verify the domain's MX, SPF, and DMARC records are properly configured and that the address isn't a generic role account?"}],"resultDescription":"Returns a structured object indicating whether the email address is syntactically valid, whether the domain has live MX records (mail server reachability), whether SPF and DMARC DNS records are present and well-formed, whether the provider is a known disposable or burner service, and whether the address appears to be a role account (e.g. info@, support@, admin@).","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout for MX/SPF/DMARC records if domain's nameservers are slow or unreachable","Unknown or newly registered domain may return inconclusive MX results","Payment/402 failure if USDC balance is insufficient for the $0.005 per-call fee","False negative on disposable detection if provider database is not up to date"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-signal email check that combines syntax validation, live DNS MX/SPF/DMARC lookups, disposable provider detection, and role-account flagging in a single call — particularly useful in B2B lead enrichment, user registration flows, or pre-send deliverability audits where you need more than just a regex or format check.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:20.932Z","isFirstParty":false,"canonicalSlug":"llms-generator-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-4e9bcd8b"}