Built for online retail

Email Verification for Ecommerce & Retail

A typo at checkout costs you the order confirmation.

When a customer types their address wrong at checkout, the confirmation bounces, the shipping notification never lands, and the first you hear about it is a support ticket asking where the order went. Catching that typo takes milliseconds.

Start with 100 free credits View pricing

10M+ verifications · 99.5% accuracy · 4.9/5 rated · No credit card required

ClearBounce mascot beside an online store checkout, one order confirmation email reaching the mailbox and an undeliverable one falling away

What we found in 807,203 verifications · H1 2026

75.9%

Deliverable

10.2%

Invalid

8.7%

Risky

8.1%

Catch-all

80% of the lists we processed were at least 20% unusable. See the full benchmark data

Why retailers verify at the form and before every send

Ecommerce email is doing two jobs at once: it carries transactional messages customers are waiting for, and it carries the campaigns that drive repeat purchases. Both suffer on a dirty list.

Every order confirmation reaches the buyer

Transactional mail is the one message a customer actively looks for. A verified address at checkout means it arrives the first time.

Fewer "where is my order" support tickets

A large share of those tickets trace back to a single mistyped character. Fixing it at the form removes the ticket entirely.

Protect deliverability before peak season

Black Friday is the worst possible week to discover your sender reputation is damaged. Clean the list in the quiet weeks beforehand.

Higher-quality opt-ins from popups and forms

Discount-code popups attract junk entries. Verification keeps the list you actually paid to build worth mailing.

Abandoned-cart flows that actually deliver

A recovery sequence sent to an invalid address is spend with no possible return. Verification puts the budget where it can work.

No subscription required

Pay-as-you-go from $4 per 1,000 emails, and credits never expire. Buy for the seasonal spike, use the remainder in January.

Catch the typo while the customer is still on the page

Drop a verification call into your checkout or newsletter form. If the address will not receive mail, the customer can fix it in the moment, instead of finding out three days later that nothing arrived.

Works with Shopify, WooCommerce, Magento or a custom storefront

Suggests the likely correction for common domain typos

Keeps disposable addresses out of your loyalty and discount programmes

Read the API documentation

JavaScript

// checkout.js — validate before submitting the order
const check = await fetch(
  'https://clearbounce.net/api/v1/verify?email=' + email,
  { headers: { 'X-API-Key': CB_KEY } }
).then(r => r.json());

if (check.result === 'undeliverable') {
  showFieldError(
    check.did_you_mean
      ? 'Did you mean ' + check.did_you_mean + '?'
      : 'This address cannot receive mail.'
  );
  return; // let the customer correct it
}
submitOrder();

A contact list being cleaned ahead of a sales season, dead entries lifting away

Clean the list before the season, not during it

Retail lists grow fast and age faster. Addresses collected two seasons ago have already started to decay, and mailing them is what pushes your campaigns from the inbox into the promotions tab and then into spam.

Connect Mailchimp, Klaviyo or Brevo and verify the list in place

Remove hard bounces before they count against your sending reputation

Segment risky and catch-all addresses instead of deleting them blindly

When a retailer needs to verify, and cannot put it off

The cost of a dirty list is invisible right up until one of these moments arrives.

Peak season is approaching

Send volume multiplies and mailbox providers watch closely. Verifying beforehand is the difference between the inbox and the spam folder during your highest-revenue week.

Support tickets about missing confirmations

If customers are asking where their order emails went, the answer is usually an address that was never deliverable. Form-level verification stops the pattern.

You are switching email platforms

A new sending domain has no reputation to spend. Importing an unverified list is the fastest way to ruin it before the first campaign.

Open rates are sliding for no clear reason

Gradual decline across every campaign usually means the list is decaying rather than the creative failing. Verification separates the two.

You bought or inherited a list

Acquired lists carry spam traps that can get your domain blocklisted on the first send. Verify before it ever touches your ESP.

Popup signups jumped overnight

A sudden flood of new subscribers is either a viral moment or bot traffic filling your form. Verification results answer that in minutes.

Works with the tools you already send from

Connect your platform and verify the list where it already lives, or use the API and skip the export entirely.

See all integrations

Pay for what you verify, keep what you do not use

Verification demand is rarely flat. It spikes when you migrate, when a season starts, when a list arrives. Pricing that assumes a steady monthly volume charges you for the quiet months too.

Credits never expire. Buy for the spike, use the balance whenever it comes up next.

From $4 per 1,000 emails pay-as-you-go, or save 20% on a subscription if your volume is predictable.

100 free credits on signup, no credit card required.

Start free

100 credits

Enough to verify a real sample of your list and see the result breakdown before you spend anything.

Create a free account Compare all plans

Questions ecommerce teams ask

Can I verify addresses inside my Shopify or WooCommerce checkout?

Yes. The verification endpoint is a standard REST call, so it drops into a checkout script, a theme extension or a server-side hook. We also publish a WordPress plugin that covers WooCommerce forms directly.

Will this slow down checkout?

A single verification is fast enough to run as the customer leaves the email field, so the result is usually ready before they finish filling in the rest of the form.

How often should an ecommerce list be re-verified?

Before any high-volume campaign period, and otherwise every three to six months. Retail lists decay faster than most because addresses are collected at speed and rarely confirmed.

What do I do with addresses marked risky?

Risky covers catch-all domains, role accounts and other addresses we cannot confirm. Most retailers keep them in a separate segment and send to them less often, rather than removing them outright.

Do unused credits expire?

No. Credits never expire, which matters in retail where you buy for a seasonal peak and use the remainder over the following months.

Related reading: Comparing email verification tools What to do with catch-all addresses

Other industries we work with

SaaS & Technology

Built for product-led teams

Financial Services

Built for regulated senders

Agencies & Marketing

Built for teams running many lists

Travel & Hospitality

Built for guest-facing teams

Media & Publishing

Built for newsletter and subscription teams