Verify Ecommerce Customers in two minutes
An ecommerce customer file is full of one-time buyers and guest checkouts whose addresses go stale quickly, and every dead contact dilutes the win-back and loyalty emails your repeat-purchase revenue depends on. Verifying the file keeps those campaigns landing where customers actually read them.
What's hiding in your list
Guest and one-time buyers leave behind addresses that decay fast, so a customer file built over years is rarely as deliverable as it looks.
Checkout typos produce undeliverable order confirmations and marketing emails, generating support load and lost revenue.
Promo and win-back blasts to a stale customer list bounce at a rate that can flag your store's sending domain.
Email and phone — cleaned in one pass
Verify in one pass
Every email checked for deliverability and every phone validated — in a single upload.
Catch what others miss
Typos, catch-all domains, disposable addresses, dead numbers and silent duplicates.
Flat, simple pricing
Reach buyers with offers that actually land. No per-credit math, no surprise overage bills.
Clean leads in three steps
No setup, no integrations, no learning curve. Upload a file, download a better one.
Upload your CSV
Drag in any contact list. We auto-detect email, phone, name and company columns.
We verify everything
Every email checked for deliverability, every phone validated, duplicates flagged — with a live quality score.
Download clean leads
Export a verified, deduplicated list your team can actually call and email.
Email and phone, cleaned in a single upload — see exactly how many bad contacts are hiding in your list before you pay a cent.
100 free verifications · no credit card · results in under 2 minutes
Frequently asked
Why verify an ecommerce customer list?
Repeat-purchase revenue rides on win-back and loyalty emails reaching real inboxes — verification keeps those sends deliverable.
Does it help with SMS marketing?
Yes — validating customer phone numbers and line type keeps your SMS campaigns on textable mobiles.
How do I get my customer list out of my store?
Export customers to CSV from your platform, verify with BounceBlock, then re-import the clean file or suppress the bad records.
Stop wasting hours on dead leads.
Upload your list and see how clean it really is — free, in under two minutes.