Real-Time Email Verification for SaaS Signups
Block fake accounts at the door
1-3s
per verification via API
800+
disposable email providers detected
90%+
reduction in fake signups
The Problem
Fake signups with disposable emails, typos, and non-existent addresses waste server resources, inflate your metrics, and never convert to paying customers. They also distort your funnel analytics and create support overhead.
The Solution
Add real-time email verification to your signup flow using Mailthentic's API. Validate each address in 1-3 seconds and reject invalid emails before they enter your database.
Key Benefits
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Block disposable and temporary email addresses
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Catch typos in real time (gmial.com → gmail.com)
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Reduce fake account creation by 90%+
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Improve onboarding email deliverability
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Get accurate user and funnel metrics
Getting Started
Sign up for free
Create an account and get 100 free verification credits — no credit card required.
Upload or connect your list
Upload a CSV, connect your CRM via OAuth, or integrate our API into your workflow.
Verify and clean
Our 9-point verification engine checks every address. Remove invalids, quarantine risky addresses, and keep the clean ones.
Send with confidence
Lower bounces, better deliverability, and a protected sender reputation. Your campaigns will thank you.
Ready to integrate verification api?
Start with 100 free verification credits. No credit card required.