{"uid":"cap_6tpQXQT-JAdV0iWP-DaeP","slug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-4cb33369","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/mx-deliverability-verifier)","url":"https://email-verify.agentdiet.dev/v1/mx-deliverability-verifier?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__oTsR52Ah_J_NyLVZEYTH","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/DMARC record existence to assess deliverability.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email — verify its syntax, whether the domain has working MX records, and whether it's a disposable or role-based address?","exampleUseCases":[{"title":"Scrub leads before outbound campaign","prompt":"Before we send our outreach campaign, check if contact@techstartup.io is a real deliverable email — does it have MX records, is it a disposable address, and does the domain have SPF and DMARC set up?"},{"title":"Block disposable emails at sign-up","prompt":"A user just tried to register with temp-mail123@guerrillamail.com — can you verify if this is a disposable or burner email address so I can decide whether to block the account?"},{"title":"Audit CRM email list quality","prompt":"I need to validate sales@bigcorp.com — check if it's a role account, whether the domain has proper MX and DMARC records, and whether it's likely to actually deliver."}],"resultDescription":"Returns a structured object indicating: email syntax validity, whether the domain has live MX records, presence of SPF and DMARC DNS records, whether the provider is a known disposable/burner service, and whether the address is a role account (e.g. info@, admin@, noreply@).","failureModes":["Invalid or malformed email input returns a syntax error","DNS lookup timeout if the domain's nameservers are slow or unreachable","Unknown or newly registered domains may lack MX/SPF/DMARC records, resulting in undeliverable flags","Payment required (HTTP 402) if x402 micropayment is not included or insufficient","Disposable provider lists may not cover every burner service, leading to false negatives"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email deliverability check that goes beyond simple regex validation — specifically when you need live DNS MX/SPF/DMARC lookups combined with disposable provider and role account detection in a single call. Prefer it over simple syntax validators when list hygiene, lead qualification, or fraud prevention is the goal.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:25:50.516Z","isFirstParty":false,"canonicalSlug":"email-verify-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-425d30b4"}