{"uid":"cap_pePFjr605T1nfL1JGLve-","slug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-160a884e","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/email)","url":"https://workflows.agentdiet.dev/v1/email?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_2v45X7HKXnWro0kktqdjj","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, and DMARC record checks.","exampleAgentPrompt":"Can you verify whether john.doe@example.com is a real, deliverable email — check if it's a disposable address, a role account, and whether the domain has valid MX, SPF, and DMARC records?","exampleUseCases":[{"title":"Pre-send lead list email scrub","prompt":"Before I upload this list to my CRM, check if contact@acmecorp.io is deliverable — is it a real mailbox, not a burner, and does the domain have working MX and SPF records?"},{"title":"New user signup fraud screening","prompt":"A new user just signed up with support@tempmail.com — can you tell me if that's a disposable or role-based email address that I should block at registration?"},{"title":"Cold outreach deliverability check","prompt":"I'm about to send a cold email to partnerships@bigtech.co — can you verify the email is syntactically valid, not a role account, and that the domain's DMARC and MX records are properly configured so my message won't bounce?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain is associated with a disposable/burner provider, whether the address is a role account (e.g. info@, admin@), and the live DNS lookup results for MX, SPF, and DMARC records including their values and validity status.","failureModes":["Invalid or malformed email string returns a syntax error response","Domain with no MX records returns a non-deliverable result","DNS lookup timeout may result in inconclusive deliverability status","Rate limiting or payment failure (HTTP 402) if USDC balance is insufficient","Temporarily unreachable DNS servers may cause incomplete SPF/DMARC results"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email validation that goes beyond simple regex checks — specifically when you need live DNS MX, SPF, and DMARC verification combined with disposable provider detection and role account flagging in a single API call. It is particularly valuable for B2B lead enrichment pipelines, sign-up fraud prevention, and cold outreach quality control where email deliverability directly impacts business outcomes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T06:34:25.245Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9ae3af34"}