Fewer Bounces. Less Fraud. Better Campaigns.

E-commerce brands lose revenue to fake signups, checkout fraud, and bounced marketing emails. VeriMails verifies customer emails in real-time to protect your store and maximize deliverability.

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Built for e-commerce brands

Protect your store, clean your lists, and land more emails in the inbox.

Checkout Fraud Prevention

Block orders placed with disposable or invalid emails. Verify email addresses in real-time at checkout to flag suspicious transactions before they process and reduce chargebacks.

Marketing Deliverability

Clean your customer list before promotional campaigns, product launches, and seasonal sales. Fewer bounces means higher open rates and better inbox placement for every send.

Transactional Email Reliability

Order confirmations, shipping updates, and receipts must reach real inboxes. Verify customer emails at signup so transactional messages always get delivered.

Customer Data Quality

Catch typos and fake emails at the point of account creation. Ensure every customer in your database has a valid, reachable email address from day one.

Platform Integrations

Works with Shopify, WooCommerce, Klaviyo, Mailchimp, Omnisend, and more. Connect via Zapier or the REST API to automate verification across your entire stack.

List Health Reporting

See exactly how healthy your customer list is. Get breakdowns of valid, invalid, risky, and disposable addresses so you can segment and send with confidence.

How it works

Clean your customer emails in three steps.

Export your customer list

Export a CSV from Shopify, Klaviyo, Mailchimp, or your e-commerce platform. Any file with an email column works.

Verify with VeriMails

Upload your file and get results in minutes. Each email is checked against 20+ validation signals including disposable email detection and spam trap identification.

Clean and re-import

Remove invalid and risky addresses, then import your clean list back into your platform. Send your next campaign with confidence.

99.2%

Accuracy Rate

Sub-2s

Response Time

19B+

Emails Verified

10,000+

Active Users

We cleaned our 180K subscriber list before Black Friday and saw our best open rates ever — 34% across the entire campaign. The investment paid for itself in the first hour of the sale.

Emma K. — Email Marketing Manager, DTC Skincare Brand

Frequently asked questions

Common questions from e-commerce teams.

Fraudsters often use disposable or invalid email addresses when placing orders. By verifying the email at checkout in real-time, you can flag or block orders with fake email addresses before they process, reducing chargebacks and fraud losses.

Yes. VeriMails integrates with Shopify via our REST API or through Zapier. You can verify emails at the point of account creation, newsletter signup, or checkout. Our API responds in under 2 seconds, so it won't slow down the purchase flow.

Absolutely. E-commerce brands that clean their lists before sending see 20-40% fewer bounces and significantly higher open rates. Clean lists mean better sender reputation, which means more of your promotional emails land in the inbox instead of spam.

E-commerce lists degrade faster than B2B lists because consumers change email addresses frequently. We recommend verifying your full customer list quarterly and verifying new signups in real-time. Before any major campaign like Black Friday or holiday sales, run a full list verification.

Yes. VeriMails integrates with Klaviyo, Mailchimp, Omnisend, and other popular e-commerce email platforms via Zapier or the REST API. You can export your list, verify it, and re-import clean contacts in minutes.

Clean your customer list today

100 free credits. No credit card required.

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