Sell more with clean email lists
Every bounced email is a missed sale. MailVeri helps e-commerce businesses verify customer emails and maximize marketing reach.
Why e-commerce brands choose MailVeri
Higher Email Deliverability
Clean lists mean more promotional emails land in the inbox, not spam folders.
Improved Marketing ROI
Stop wasting marketing budget on emails that bounce. Every email counts.
Protected Sender Reputation
Maintain a healthy sender score with Gmail, Yahoo, and other major providers.
Better Customer Data
Catch typos and fake emails at checkout to build a quality customer database.
Popular use cases
Checkout Verification
Verify customer emails in real-time during checkout. Catch typos like "gmial.com" before they cause order confirmation failures.
Newsletter Signup
Block disposable and fake emails from your newsletter list. Focus your marketing on real potential customers.
Campaign List Cleaning
Clean your entire customer list before seasonal campaigns like Black Friday. Maximize reach when it matters most.
Win-back Campaigns
Verify dormant customer emails before re-engagement campaigns. Don't waste resources on invalid addresses.
See how we compare
Stop overpaying for inaccuracy. MailVeri delivers better results for less.
Accuracy
Pricing
Contract
E-Commerce List Cleaning Cost & Estimated Klaviyo / Mailchimp Savings
Assumes ~14% dead + disposable profiles removed| Subscriber List Size | Dead / Burner Profiles Removed | MailVeri One-Time Cost | ZeroBounce Cost | Est. ESP Bill Saved / Yr |
|---|---|---|---|---|
| 10,000 profiles | ~1,400 suppressed | $9 | $129 | $360+/yr |
| 50,000 profiles | ~7,000 suppressed | $3960K w/ bonus | $325+ | $1,440+/yr |
| 100,000 profiles | ~14,000 suppressed | $59 | $649 | $2,640+/yr |
| 500,000 profiles | ~70,000 suppressed | $199 | $1,600+ | $8,400+/yr |
// Shopify / Custom Welcome Popup — Block Disposable Coupon Hunters
const res = await fetch('https://api.mailveri.com/v1/verify-mail/', {
method: 'POST',
headers: {
'Authorization': 'Bearer YOUR_API_KEY',
'Content-Type': 'application/json'
},
body: JSON.stringify({ email: shopperEmail })
});
const { status } = await res.json();
if (status === 'DISPOSABLE' || status === 'INVALID') {
return showPopupError('Please enter a valid personal email to unlock 15% off.');
}
// Sync verified shopper to Klaviyo & reveal discount code
await syncToKlaviyo(shopperEmail);Works with your e-commerce stack
Integrate MailVeri with Shopify, WooCommerce, Klaviyo, Mailchimp, and any platform via our simple REST API, Zapier, Make, or n8n workflows.
Stop Overpaying Klaviyo & Mailchimp
E-commerce ESPs charge based on total active subscriber profiles. Filtering out invalid addresses, 100,000+ disposable popup coupon hunters, and full mailboxes before syncing to your ESP immediately trims your monthly software bill while boosting campaign open rates. Estimate your savings with our ESP Overpayment Calculator and CRM Hygiene Playbook.
Pre-Holiday & BFCM List Readiness
Sending high-volume Black Friday or seasonal blasts to dormant subscribers risks hitting spam traps, over-quota mailboxes, and crossing the 2% bounce ceiling. Clean up to 1,000,000 customer emails per batch starting at $0.0002/email with non-expiring credits. Read our Klaviyo & Shopify List Cleaning Playbook, Full-Inbox Silent Bounce Guide, and Win-Back Re-Engagement Guide.
Frequently Asked Questions for E-Commerce Brands
How does email verification reduce our monthly Klaviyo or Mailchimp bill?
E-commerce ESPs bill you based on total active subscriber profiles—even if 12–18% of those profiles are abandoned mailboxes, checkout typos, or disposable burner addresses used once to grab a 15%-off popup code. Removing invalid, disposable, and full-inbox addresses with MailVeri ($59 per 100,000 credits) immediately drops your active profile count and saves hundreds of dollars every month.
Can MailVeri block disposable emails on welcome discount popups in real time?
Yes. Calling the MailVeri REST API (or connecting via Zapier, Make, or n8n) when a visitor submits your welcome popup detects 100,000+ disposable email providers (`status: "DISPOSABLE"`) and invalid domains before issuing discount codes.
How often should an e-commerce store clean its full customer list?
Consumer email lists decay at roughly 22% per year as shoppers abandon old Yahoo/Gmail accounts or hit storage quotas (`FULL_INBOX`). We recommend running a bulk CSV verification every quarter and mandatory pre-campaign hygiene before Black Friday / Cyber Monday (BFCM) and seasonal sales.
Ready to boost your e-commerce emails?
Start with 1,000 free credits. No credit card required.