{"uid":"cap_dbZdukCOM-snKcfjCXdTs","slug":"company-enrich-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-cec06db0","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://company-enrich.agentdiet.dev/v1/email-check)","url":"https://company-enrich.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_5dzdJyAfuqpI0bMg_aSDL","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"company-enrich.agentdiet.dev","brandSlug":"company-enrich-agentdiet-dev-mpp","brandBaseUrl":"https://company-enrich.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 whether john.doe@acme-corp.com is a real, deliverable email address — specifically whether it passes syntax checks, isn't from a disposable provider, and has valid MX, SPF, and DMARC DNS records?","exampleUseCases":[{"title":"Pre-send deliverability check for outreach","prompt":"Before I launch this cold email campaign, can you verify that sarah.jones@prospectcompany.com is actually deliverable — check the syntax, MX records, and whether the domain has SPF and DMARC set up?"},{"title":"Signup fraud prevention screening","prompt":"A new user just registered with the email temp9182@mailnull.com — can you check if it's a disposable or burner address and whether it would even receive mail?"},{"title":"B2B lead email quality audit","prompt":"I have a lead with the contact address support@bigclient.io — can you tell me if that's a role account, whether the domain has proper mail server records, and if the email is likely to bounce?"}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain is a known disposable/burner provider, whether the address is a role account (e.g. info@, admin@), and whether the domain's DNS has valid MX, SPF, and DMARC records — giving a comprehensive deliverability and risk assessment.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the domain's name servers are unresponsive","Unknown or very new domains may lack MX/SPF/DMARC records, returning empty results rather than an error","Payment failure (HTTP 402) if USDC balance is insufficient for per-call billing","Rate limiting if too many requests are sent in a short period"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email health check that goes beyond simple syntax validation — especially when you need live DNS MX, SPF, and DMARC record verification alongside disposable provider and role account detection in a single call. Ideal for B2B lead enrichment pipelines, signup fraud prevention, and pre-campaign deliverability audits. Prefer this over generic SMTP ping tools when DNS policy compliance (SPF/DMARC) matters to your use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:22:58.764Z","isFirstParty":false,"canonicalSlug":"company-enrich-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-a06334fa"}