{"uid":"cap_Opms81Twln51jRgY6FPX8","slug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-44657b70","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://whale-momentum.agentdiet.dev/v1/email)","url":"https://whale-momentum.agentdiet.dev/v1/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_ggp6bbEi0Wqbc7fd2sYGB","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.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 existence.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — verify its syntax, MX records, and whether it's from a disposable or burner provider?","exampleUseCases":[{"title":"Sign-up fraud screening","prompt":"Before creating an account for this new user, can you verify that their email sarah.temp@mailinator.com is legitimate and not from a throwaway provider, and that the domain actually has working mail servers?"},{"title":"Sales lead email quality check","prompt":"I have a lead with the email contact@acmecorp.io — can you confirm it's syntactically valid, deliverable, and that the domain has MX, SPF, and DMARC records set up properly before we reach out?"},{"title":"Mailing list hygiene audit","prompt":"Check whether newsletter@noreply.bigbrand.com is a role account or catch-all that might hurt our deliverability, and confirm the domain's DNS mail configuration looks healthy."}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the provider is a known disposable or burner service, whether the address is a role account (e.g. info@, support@), and the live DNS check results for MX records (mail server existence), SPF record presence, and DMARC policy record — collectively indicating whether the email is likely deliverable and trustworthy.","failureModes":["Missing or empty email parameter returns a validation error","Malformed email string that cannot be parsed returns a syntax-invalid response","DNS lookup timeout for the email domain may result in an inconclusive MX/SPF/DMARC result","Non-existent domain returns no MX records found","Payment not completed via x402 returns HTTP 402 Payment Required","Rate limiting may occur on high request volumes"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, real-time email quality check that goes beyond simple regex validation — especially when you need live DNS MX, SPF, and DMARC verification alongside disposable provider and role account detection in a single call. It is well-suited for fraud prevention at sign-up, pre-send deliverability screening, or lead enrichment workflows where email hygiene is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:31.194Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-44657b70"}