{"uid":"cap_ekn_85MGbdgazuvi4-n6r","slug":"email-verify-api-single-email-verification-40019664","name":"Email Verify API – Single Email Verification","description":"Verify a single email: syntax, MX records, SMTP RCPT probe, catch-all, disposable, role-based, free-provider, typo suggestion, 0-100 score, and verdict.","url":"https://email-verify-api-production-d262.up.railway.app/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string","description":"Email address to verify, e.g. 'jane.doe@acme.com'."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":1,"rating":{"score":"0.17","successRate":"1.00","reviews":1,"stars":"1.7","state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_oxk6yTJZM0r9ihvS65Wti","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs deep verification of a single email address including syntax, MX, SMTP RCPT probe, catch-all detection, disposable/role/free-provider flags, typo suggestions, and a 0–100 deliverability score with verdict.","exampleAgentPrompt":"Can you fully verify jane.doe@acme.com for me — check if it actually exists, whether it's disposable or a catch-all, and give me a deliverability score?","exampleUseCases":[{"title":"CRM lead quality check","prompt":"Before I import this lead list, verify john.smith@prospectco.com — I want to know if it's real, deliverable, not a disposable address, and get a confidence score so I can decide whether to reach out."},{"title":"Sign-up form abuse prevention","prompt":"A new user just registered with the email free4ever@mailinator.com — can you verify it and tell me if it's a disposable or fake address I should block?"},{"title":"Typo correction at point of entry","prompt":"Someone entered their email as jane@gmial.com on our checkout form — can you verify it and tell me if there's a likely typo suggestion for the correct domain?"}],"resultDescription":"Returns a structured record for the email address including: syntax validity, MX record presence, SMTP RCPT probe outcome, catch-all flag, disposable provider flag, role-based address flag (e.g. info@, admin@), free-provider flag (e.g. Gmail, Yahoo), a typo suggestion if the domain looks misspelled, a numeric deliverability score from 0 to 100, and an overall verdict (e.g. valid, invalid, risky).","failureModes":["Missing or malformed email input returns a validation error","SMTP probe may be blocked by the target mail server, reducing confidence","Catch-all servers always accept RCPT probes, resulting in an inconclusive probe status","Disposable provider list may not include brand-new throwaway domains","Temporary DNS failures may cause MX lookup to fail even for valid domains","Score may be conservative (low) for privacy-protected corporate domains"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive single-email verification that goes beyond syntax checking — specifically when you need SMTP-level delivery probing, disposable/catch-all/role-based detection, and a numeric score with verdict in one call. Prefer it over MX-only or syntax-only checks when you need actionable confidence about whether an email will actually be delivered. Use the batch sibling endpoint instead when verifying more than one email at a time.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":3,"lastUsedAt":"2026-09-03T06:56:42.200Z","lastSuccessfullyRanAt":"2026-09-03T06:56:42.200Z","lastHealthCheckAt":"2026-10-22T18:11:27.961Z","isFirstParty":false,"canonicalSlug":"email-verify-api-single-email-verification-40019664"}