{"uid":"cap_1dajdv7IiRwh26wa2CB8x","slug":"sift-web-tools-email-check-61631a75","name":"Sift Web Tools – Email Check","description":"Email address check: syntax, MX, disposable, role and free-provider flags. Validate an email address without sending mail: syntax, MX records, disposable-domain list, role account and free-provider flags, plus a verdict.","url":"https://sift.srv1996466.hstgr.cloud/v1/email-check?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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["email"],"properties":{"email":{"type":"string","description":"Email address"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"email":"info@example.com","has_mx":false,"verdict":"ok","disposable":false,"role_account":true,"syntax_valid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Fb4IvRTPd5A5X3N81AQgd","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","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, disposability, and role-account status before sending","exampleAgentPrompt":"Before I send that outreach email, can you check whether info@acmecorp.com is a real, deliverable address — not disposable or just a catch-all role account?","exampleUseCases":[{"title":"Pre-send deliverability check","prompt":"I'm about to email john.doe@startup.io — can you verify it has valid MX records and isn't a throwaway address before I hit send?"},{"title":"Signup form fraud screening","prompt":"A new user just registered with temp-mail123@guerrillamail.com — check if that's a disposable or fake email so I can decide whether to block the signup."},{"title":"CRM list hygiene","prompt":"We're cleaning up our contact list — can you check whether sales@bigclient.net is a legitimate role account with working mail servers, or if we should remove it?"}],"resultDescription":"Returns a JSON object with the original email, a boolean has_mx indicating whether the domain has valid MX records, a verdict string summarizing deliverability, a disposable boolean flagging throwaway email providers, a role_account boolean identifying addresses like info@ or support@, and a syntax_valid boolean confirming the address is well-formed.","failureModes":["Missing or malformed email query parameter returns a 400 error","Payment not settled via x402 results in a 402 response and no charge","DNS timeout when checking MX records may cause delayed or failed response","Unusual TLDs or private mail servers may produce inconclusive has_mx results","Very new or obscure disposable providers may not be flagged as disposable"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap, pay-per-call email validation with MX checking, disposability detection, and role-account classification in a single call — especially in agentic workflows where you pay only on success via x402 on Base. Prefer it over full email verification services when you don't need SMTP probing or need sub-cent pricing at scale.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T20:43:50.377Z","isFirstParty":false,"canonicalSlug":"sift-web-tools-email-check-61631a75"}