{"uid":"cap_Xw3R0cX3WMPpvfxsq56vZ","slug":"verifypulse-email-verification-api-92750365","name":"VerifyPulse Email Verification API","description":"VerifyPulse is a high-speed B2B email verification engine. Validate RFC syntax, resolve live DNS MX records, filter 3,800+ disposable domains, and run simulated SMTP handshakes in sub-140ms. Stop bounces before sending.","url":"https://verifypulse-seven.vercel.app/v1/x402/verify-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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"email":{"type":"string","description":"Parameter email (e.g. founder@stripe.com)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"email":"founder@stripe.com","score":98,"status":"valid","mx_found":true,"smtp_check":"pass"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_o-dVOz6aIni0Xfso1eY5n","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a single email address for RFC syntax, live MX DNS resolution, disposable domain filtering, and SMTP deliverability in sub-140ms","exampleAgentPrompt":"Can you verify whether founder@stripe.com is a real, deliverable email — check the MX records and run an SMTP handshake on it?","exampleUseCases":[{"title":"Pre-send outreach list cleanup","prompt":"Before I send this cold email campaign, check if cto@acmecorp.com is actually deliverable — I want to know the verification score and whether the SMTP check passes."},{"title":"Block disposable emails at signup","prompt":"A new user just signed up with temp-mail99@mailinator.com — can you verify if that's a disposable or fake email address I should reject?"},{"title":"Validate enriched lead contact","prompt":"I just got a lead with the email vp.sales@hubspot.com — verify it's a real address with valid MX records and give me a deliverability score before I reach out."}],"resultDescription":"Returns a JSON object containing the validated email address, a numeric deliverability score (0–100), a status label (e.g. 'valid', 'invalid', 'risky'), a boolean indicating whether MX records were found, and the result of the simulated SMTP handshake ('pass' or 'fail').","failureModes":["Invalid or malformed email input returns a low score and 'invalid' status","Domain has no MX records — mx_found returns false and SMTP check fails","Disposable domain match triggers 'risky' or 'invalid' status despite valid syntax","SMTP server is unreachable or times out — smtp_check may return 'unknown' or 'fail'","Payment authorization failure (x402) results in a 402 response before verification runs","Rate limiting or quota exceeded returns a 429 error"],"whenToPreferThis":"Choose VerifyPulse when you need real-time, single-address B2B email verification with sub-140ms latency and want combined syntax, DNS MX, disposable domain filtering, and SMTP simulation in a single call. Prefer it over bulk verification services when validating one address at a time in an automated workflow or at point-of-capture (e.g. form submission, CRM enrichment, pre-send validation). It is especially suited for B2B use cases where deliverability accuracy and speed matter, and when a pay-per-call micropayment model (via x402) is acceptable.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:45:28.232Z","isFirstParty":false,"canonicalSlug":"verifypulse-email-verification-api-92750365"}