{"uid":"cap_5E2YEVgKKGzEJlVHyQVL8","slug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-0e9fc75c","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://workflows.agentdiet.dev/v1/disposable-email)","url":"https://workflows.agentdiet.dev/v1/disposable-email?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_h2VfEXaRVlUPRg83A4qWe","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"workflows.agentdiet.dev","brandSlug":"workflows-agentdiet-dev-mpp","brandBaseUrl":"https://workflows.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role-account detection, and live DNS MX/SPF/DMARC record checks.","exampleAgentPrompt":"Can you verify whether john.doe@tempmail.com is a real, deliverable email address — check if it's from a disposable provider, has valid MX records, and passes SPF and DMARC?","exampleUseCases":[{"title":"Screening signups for fake emails","prompt":"Before I let this user register with the email signup123@guerrillamail.com, can you check if it's a disposable or burner address, whether it has working MX records, and if the domain passes SPF and DMARC checks?"},{"title":"B2B outreach list hygiene","prompt":"I have a lead email contact@acmecorp.io — can you verify it's syntactically valid, not a role account, and that the domain has proper MX, SPF, and DMARC records so I know it's worth including in my outreach campaign?"},{"title":"Detecting fraudulent account creation","prompt":"We're seeing suspicious signups — can you check if support@yopmail.com is from a known throwaway email service and whether its DNS is configured for real mail delivery?"}],"resultDescription":"Returns a structured JSON object indicating email syntax validity, whether the provider is a known disposable/burner service, whether the address appears to be a role account (e.g. info@, admin@), and live DNS lookup results for MX, SPF, and DMARC records on the domain.","failureModes":["Missing or empty email parameter returns a 400 validation error","Malformed email string may return syntax-invalid flag without DNS checks","DNS lookup timeouts may cause MX/SPF/DMARC fields to return as unresolved or null","Payment not completed (402) if x402 micropayment is not attached","Rare disposable providers not in the blocklist may pass as legitimate"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, single-call email health check that combines syntax validation, disposable-provider detection, role-account identification, and live DNS MX/SPF/DMARC record verification — especially useful before user onboarding, email outreach campaigns, or fraud screening workflows. It is more thorough than simple regex or format-only validators.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:57.415Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9ae3af34"}