{"uid":"cap_4HqdTmpA2iCqwqf2zljDM","slug":"gateway-apiosk-com-email-verification-a5174e2b","name":"gateway.apiosk.com Email Verification","description":"Validate a single email address: format, MX, SMTP mailbox check, and disposable/role/free classification with a deliverability score.","url":"https://gateway.apiosk.com/email-verification/check","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.143","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":"$0.13/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.13","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.13","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1adK0NjI7i8UaDvAYSKWd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.13","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 format, DNS/MX records, SMTP deliverability, disposable domain status, and role-account classification, returning a confidence score.","exampleAgentPrompt":"Can you verify whether support@apple.com is a real, deliverable email address — I want to know if it passes format checks, has valid MX records, and whether the mailbox actually responds to SMTP, and tell me if it's a role account or disposable address?","exampleUseCases":null,"resultDescription":"Returns a JSON object with: overall confidence score (0–1), format validity flag, domain, MX record found flag, SMTP check result, disposable email flag, role account flag, free email provider flag, extracted username, and a 'did you mean' suggestion if a typo is detected.","failureModes":["Invalid or missing email parameter returns an error response","SMTP check may time out or be blocked by the mail server, returning null for smtp_check","catch_all field returns null when the server's catch-all behavior cannot be determined","Disposable domain database may not cover very new throwaway providers","Rate limiting or payment failure results in a 402 response requiring x402 payment"],"whenToPreferThis":"Use this endpoint when you need a comprehensive, multi-layered email validation that goes beyond simple format checking — especially when you need SMTP-level deliverability verification, disposable email detection, and role-account classification in a single call. Prefer it over simple regex validators when data quality for outreach, registration, or CRM enrichment is critical.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:01:38.990Z","isFirstParty":false}