{"uid":"cap_ICs8hBYekEYgl1091RdKR","slug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-75142959","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-validator)","url":"https://workflows.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_nQqbEETN3Czr4s6FVFToN","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 health.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — specifically whether the domain has valid MX records, passes SPF and DMARC, and isn't a disposable or role-based address?","exampleUseCases":[{"title":"Lead quality gate before outreach","prompt":"Before I import this list of leads into my CRM, check whether sarah.marketing@techstartup.io is a real deliverable address — does the domain have MX records set up, and is it a disposable or role account?"},{"title":"Sign-up fraud detection","prompt":"A new user just registered with temp-mail+abc123@guerrillamail.com — can you tell me if that's a burner or disposable email provider so I can decide whether to block the sign-up?"},{"title":"Email infrastructure health audit","prompt":"I want to audit our company domain — run an email deliverability check on hello@ourcompany.com and tell me if the SPF and DMARC DNS records are properly configured and whether the MX records resolve correctly."}],"resultDescription":"Returns a structured object indicating whether the email address has valid syntax, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, support@), and live DNS check results for MX, SPF, and DMARC records including their presence and configuration status.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's nameservers are unreachable or slow","Unknown or newly created domains may return inconclusive MX/SPF/DMARC results","Disposable provider database may not cover brand-new throwaway services","Non-existent TLDs or obviously invalid syntax caught at syntax-check stage before DNS lookup"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, multi-layer email check — covering syntax, live DNS (MX, SPF, DMARC), disposable-provider detection, and role-account flagging — in a single call. It is especially useful for B2B lead enrichment pipelines, fraud prevention at sign-up, and pre-send deliverability audits where you want to avoid bounces or spam traps. Prefer it over simple regex-only validators or domain-only DNS checkers when you need all four signal types together.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:41.414Z","isFirstParty":false,"canonicalSlug":"workflows-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-verifier-9ae3af34"}