{"uid":"cap_W2xXGlnniUrI9OIIOwgJW","slug":"email-validation-api-cf35b057","name":"Email Validation API","description":"Email validation API: verify an email address with syntax check, MX record lookup, SPF/DMARC, disposable and role address detection. Returns a deliverability verdict. No mail sent.","url":"https://dominion-data.x402-evm-math.workers.dev/email?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","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":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rVhYiLFBXrJjxKUnnKROF","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an email address by checking syntax, MX records, SPF/DMARC, disposable domains, and role addresses, returning a deliverability verdict without sending any mail.","exampleAgentPrompt":"Can you check whether john.doe@example.com is a real, deliverable email address — look at its syntax, MX records, SPF/DMARC, and whether it's a disposable or role address?","exampleUseCases":[{"title":"Pre-send campaign list scrubbing","prompt":"Before I send my email newsletter, can you validate this list of addresses and flag any that look fake, disposable, or likely to bounce? Start with user@tempmail.com and tell me the deliverability verdict."},{"title":"Sign-up form spam filtering","prompt":"A user just signed up with the email no-reply@guerrillamail.com — can you check if it's a real deliverable address or a disposable/role email I should reject?"},{"title":"Sales lead email verification","prompt":"I have a sales lead whose email is listed as info@somestartup.io — can you verify whether it's valid, has proper MX records, and whether it's a generic role address rather than a real person?"}],"resultDescription":"Returns a structured deliverability verdict including: syntax validity, MX record existence and reachability, SPF/DMARC policy findings, whether the domain is a known disposable/temporary email provider, and whether the address is a role-based address (e.g. info@, support@). No actual email is sent during validation.","failureModes":["Missing or malformed email address input returns a validation error","Domain has no MX records — verdict returns as undeliverable","Network timeout when looking up DNS records for obscure domains","Rate limiting or payment failure when USDC balance is insufficient","Newly registered domains may not yet have propagated MX/SPF records, causing false negatives"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, no-send email validation that checks beyond simple syntax — specifically when MX record lookup, SPF/DMARC verification, disposable domain detection, and role-address flagging are all required in a single call. Ideal for pre-campaign scrubbing, sign-up fraud prevention, or CRM data hygiene where you cannot or should not send a verification email. Priced per-call at $0.005 USDC, making it cost-effective for moderate volumes via the x402 payment protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T18:33:22.449Z","isFirstParty":false,"canonicalSlug":"email-validation-api-cf35b057"}