Clean Your Email Lists.
Boost Deliverability by 20%+
Remove temporary, disposable, and risky emails from your marketing lists. Protect sender reputation. Improve inbox placement. Reduce bounce rates.
Trusted by marketing teams at fast-growing companies
The Hidden Cost of Dirty Email Lists
Low-quality emails don't just hurt your metrics—they damage your sender reputation and cost real money in wasted credits.
Poor Deliverability Rates
Hard bounces and spam complaints damage your sender reputation with ESPs like SendGrid and Mailchimp.
Temporary Email Pollution
Users sign up with disposable emails to grab lead magnets, then never engage with future campaigns.
Wasted Marketing Spend
Every temporary or invalid email costs you send credits and inflates your subscriber count with dead weight.
How AntiTemp Cleans Your Lists
Intelligent email verification that catches what traditional validators miss—from unlimited aliases to newly-registered temporary domains.
Multi-Signal Email Validation
We check 12+ risk signals including temporary domains, alias patterns, MX records, and disposable email databases.
- 95%+ detection accuracy
- Catches unlimited aliases (Gmail+)
- Updates daily with new domains
Multiple Email Check API
Send up to 50 emails per API call for quick list cleanups. Receive detailed results instantly without CSV uploads.
- One request, 50 emails
- Full risk breakdown per email
- Automatic duplicate removal
Protect Sender Reputation
Remove risky emails before they cause hard bounces. Keep your ESP happy and your deliverability scores high.
- Prevent hard bounces
- Reduce spam complaints
- Maintain good standing with ESPs
Actionable List Hygiene Reports
Get detailed breakdowns of your list quality with risk categories, explanations, and recommended actions.
- Risk score per email
- Explainable AI evidence
- Export clean lists instantly
Calculate Your Savings
See how much you'll save by cleaning your email list with AntiTemp
Your Current Situation
Total subscribers in your list
Industry average: 10-20%
Check your ESP pricing (SendGrid, Mailchimp, etc.)
How many emails you send per month
Your Potential Savings
* Calculations based on typical email marketing scenarios. Actual savings may vary.
Built for Marketing Workflows
Seamlessly integrate email validation into your existing marketing stack
CSV Upload & Export
Upload your email lists as CSV files. Download cleaned results instantly with risk scores and explanations.
ESP Integrations
Works seamlessly with SendGrid, Mailchimp, HubSpot, and other email service providers via API.
Detailed Reports
Get comprehensive hygiene reports with breakdown by risk category and actionable recommendations.
Real-Time Validation
Validate emails at signup with our API. Prevent bad emails from entering your list in the first place.
Integrates with your favorite tools
Ready to Improve Your Deliverability?
Join marketing teams using AntiTemp to protect their sender reputation and maximize campaign performance.
