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Proofy

Fast, Accurate, Built for Scale·proofy.io

Proofy is an email verification service that checks email addresses before sending, identifying invalid, risky, disposable, catch-all, and role-based addresses. It offers a web dashboard for bulk list verification, a single free email checker, and a REST API (single, batch, and file endpoints) plus a JavaScript widget for real-time validation at signup or checkout. Verification uses syntax, domain/MX, and SMTP-handshake checks without sending an actual email, aiming to reduce bounce rates and protect sender reputation.

What it's for

Clean email lists before campaigns to stay below bounce thresholds and avoid ESP account suspensionVerify prospect lists from LinkedIn exports or scraped data before cold outreachIntegrate real-time validation at signup via API or JS Widget to block fake and disposable registrationsValidate customer emails at checkout to improve transactional email deliverabilityManage and verify lists for multiple clients from one account with bulk upload and per-list reporting

Features 17

Bulk email verification via CSV/TXT upload
Catch-all (accept-all) detection
Disposable/temporary email detection
Domain (DNS/MX) validation
Duplicate email remover
Free single email checker
ISP detection
JavaScript Widget for on-site form validation
Mailbox full detection
MX record validation
Real-time email validation API
Role-based email detection
Single, Batch, and File API endpoints
SMTP provider identification (e.g., mail server behind the address)
SMTP verification (handshake-based, no email sent)
Syntax validation
Webhook support

At a glance

free tierfree trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

LanguagesEnglish, French, Spanish

Foremail marketers, sales teams, developers and SaaS products, e-commerce businesses, agencies

CompanyProofy

Complianceself-reported

GDPR

Resources

Docs

Pricing

Proofy sells verification credits (pay-as-you-go) that never expire, starting with 5,000 credits for $5; it also offers subscription plans for recurring volume, but specific subscription tier prices are not shown. Enterprise clients receive custom quotes and flexible billing.

Trial (Pay-as-you-go)Quote

Site also offers separate subscription plans and volume-based tiered pricing, but no specific subscription tier prices are listed on the pages seen.

For new users only

Volume discounts are built into Proofy's tiered pricing - the larger the package, the lower the cost per email.