{"uid":"cap_7B__qLt1Q1umo4zHdyRjw","slug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-695467ed","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://cve-intel.agentdiet.dev/v1/email-check)","url":"https://cve-intel.agentdiet.dev/v1/email-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_p6bvm6t3gavwUAn45H9AH","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"cve-intel.agentdiet.dev","brandSlug":"cve-intel-agentdiet-dev-mpp","brandBaseUrl":"https://cve-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 presence.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — I want to know if it's from a disposable provider, whether it's a role account, and whether the domain has valid MX, SPF, and DMARC records set up?","exampleUseCases":[{"title":"Pre-outreach lead email validation","prompt":"Before I send my sales sequence, check if the email address mike.harris@techstartup.io is actually deliverable — I need to know if the domain has MX records and whether it's flagged as a burner or role account."},{"title":"Sign-up fraud detection","prompt":"A user just registered with the email temp123@mailnull.com — can you check if it's a disposable or throwaway email provider so I can decide whether to allow the account?"},{"title":"Email domain DNS health audit","prompt":"I need to know if the domain used by support@bigcorpinc.com has proper email authentication set up — check whether it has valid SPF and DMARC records configured."}],"resultDescription":"Returns a structured object indicating whether the email address is syntactically valid, whether the domain belongs to a known disposable/burner email provider, whether the address is a role account (e.g. info@, admin@), and the live DNS lookup results for MX, SPF, and DMARC records — allowing the caller to assess whether the address is genuinely deliverable and properly authenticated.","failureModes":["Invalid or missing email parameter returns an error","DNS lookup timeout if the domain's nameservers are unresponsive","False negatives on newer disposable providers not yet in the blocklist","Domain exists but has no MX records, resulting in undeliverable classification","Payment required error (HTTP 402) if the x402 micropayment is not properly authorized"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email check that combines syntax validation, disposable/burner detection, role account flagging, and live DNS MX/SPF/DMARC verification — rather than using separate tools for each check. It is particularly well-suited for B2B lead enrichment pipelines, pre-send email campaign validation, fraud detection at signup, and any agentic workflow that needs to confirm email deliverability and domain authentication status before taking action.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:36.303Z","isFirstParty":false,"canonicalSlug":"cve-intel-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-015d6ec0"}