{"uid":"cap_ORGB4PkEM6JKfVXdDV-Nk","slug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-dcb7e8a1","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://email-verify.agentdiet.dev/v1/email-check)","url":"https://email-verify.agentdiet.dev/v1/email-check?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_A1q5-NMmb6pjwm43mWvEa","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"email-verify.agentdiet.dev","brandSlug":"email-verify-agentdiet-dev-mpp","brandBaseUrl":"https://email-verify.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 checks.","exampleAgentPrompt":"Can you check if john.doe@example.com is a real, deliverable email address — make sure it's not a disposable provider, a role account, and that the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Screen signups for fake emails","prompt":"Before activating this new user account, check if the email they gave us — freestuff123@mailinator.com — is disposable, a role address, or has broken MX records so we can decide whether to let them in."},{"title":"Qualify B2B leads before outreach","prompt":"I have a sales lead with the email vp.sales@acmecorp.io — can you verify it's syntactically valid, not a catch-all, and that the domain has proper SPF and DMARC records before we add them to our outreach campaign?"},{"title":"Reduce email bounce rate pre-send","prompt":"Before we send our newsletter to newsletter@bigcompany.com, can you verify the domain has live MX records and passes SPF and DMARC checks so we don't risk bouncing or damaging our sender reputation?"}],"resultDescription":"Returns a structured object indicating whether the email passed syntax validation, whether the domain is flagged as a disposable or burner provider, whether the address appears to be a role account, and the live DNS lookup results for MX, SPF, and DMARC records — enabling a full deliverability assessment.","failureModes":["Missing or empty email field returns a 422 validation error","Malformed email string with no domain fails syntax check immediately","DNS lookup timeout if the domain's nameservers are unresponsive","Domain with no MX records returns deliverability failure","Payment required (402) if USDC balance is insufficient for the $0.005 per-call fee","Rate limiting if too many requests are sent in a short window"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email validation that combines syntax checking, disposable provider detection, role account identification, and live DNS record verification (MX, SPF, DMARC) in one response. It is well-suited for agent workflows that must qualify leads, screen sign-ups, or audit contact lists before sending email — especially when DNS-level verification is required and not just pattern matching.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:56.349Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-425d30b4"}