{"uid":"cap_xZ2AyZdaXR7qi_-G04YAv","slug":"agentkit-x402-email-check-28b18ff0","name":"AgentKit x402 Email Check","description":"Email checks, DNS and email-authentication audits, website contact extraction, SEO audits, URL to Markdown and Swedish validators, paid per call in USDC with x402.","url":"https://agentkit-x402.erikssonanton2001.workers.dev/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"],"type":"string"},"queryParams":{"type":"object","required":["email"],"properties":{"email":{"type":"string","description":"Email address to check."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"dns":{"mx":[{"host":"mail.gmial.com","priority":10}],"null_mx":false,"nxdomain":false,"address_record":true},"note":"Based on syntax, lists and DNS only. No SMTP connection is made, so a deliverable mailbox is not confirmed.","email":"anna@gmial.com","score":70,"domain":"gmial.com","reasons":["possible_domain_typo"],"verdict":"risky","disposable":false,"local_part":"anna","role_account":false,"smtp_checked":false,"syntax_valid":true,"free_provider":false,"typo_suggestion":"gmail.com"}},"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_RQ71YKAbzEfeWDeQBlGZz","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, DNS/MX records, disposability, role-account status, and typo detection — without SMTP connection — returning a scored verdict.","exampleAgentPrompt":"Can you check whether anna@gmial.com is a valid email address — I want to know if the domain looks real, whether it's disposable or a role account, and if there's a typo suggestion?","exampleUseCases":[{"title":"Pre-signup email quality gate","prompt":"Before I add this user to our mailing list, check if john.doe@yoopmail.com is a real, non-disposable email with a valid MX record — give me a verdict and score."},{"title":"Catch typos in lead capture forms","prompt":"A lead just submitted contact@gmaill.com on our form — can you run an email check on it and tell me if there's a likely typo correction I should suggest to them?"},{"title":"Flag risky emails before CRM import","prompt":"I'm about to import a CSV of 1 email at a time — start with support@mailinator.com and tell me if it's risky, disposable, or a role account so I can decide whether to include it."}],"resultDescription":"Returns a JSON object with: the input email, local part, domain, syntax validity flag, DNS MX records, null MX and NXDOMAIN flags, address record presence, disposable flag, role account flag, free provider flag, SMTP-checked flag, a 0–100 score, a verdict string (e.g. 'risky', 'valid', 'invalid'), a list of reason codes (e.g. 'possible_domain_typo'), and an optional typo suggestion string. No SMTP connection is made, so mailbox existence is not confirmed.","failureModes":["Missing required 'email' query parameter returns an error","Malformed email string may still return a result with syntax_valid=false","DNS lookup failures for obscure domains may produce incomplete MX data","Payment failure (x402 USDC) blocks the request before processing","Non-existent TLDs may return nxdomain=true with limited detail"],"whenToPreferThis":"Use this endpoint when you need a lightweight, no-SMTP email quality check that covers syntax, DNS MX lookup, disposable/role-account detection, and typo suggestions in a single call — especially useful for pre-validating user-submitted emails before sending campaigns or storing in a CRM. Prefer over full SMTP-based validators when speed matters and you don't need confirmed mailbox existence.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:40:24.872Z","isFirstParty":false,"canonicalSlug":"agentkit-x402-email-check-28b18ff0"}