Built for guest-facing teams

Email Verification for Travel & Hospitality

A guest who never got the confirmation is a guest at your desk.

Booking confirmations, check-in instructions and schedule changes are messages guests are actively waiting for. When the address was taken down wrong at the desk or mistyped on a phone, the message does not arrive and the problem lands on your staff.

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

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 travel and hospitality brands verify at the point of booking

Guest email is collected in a hurry: at a counter, on a phone, through an agent, through a partner. Every one of those routes introduces errors that only show up when a message fails to arrive.

Confirmations and itineraries actually arrive

The confirmation is the message that reassures the guest they are booked. Verification at the form makes sure it can reach them.

Reach guests when plans change

A schedule change, a room move or a cancellation is time-sensitive. An address that bounces means a guest who finds out at the airport.

Fix addresses taken down at the desk

Addresses collected verbally are the most error-prone of all. A real-time check catches the mistake while the guest is still standing there.

Clean up lists from OTAs and partners

Bookings arriving through third parties bring addresses of unknown quality straight into your database.

Protect the domain your operational mail uses

Marketing to a decayed list can damage the same reputation your booking confirmations depend on.

Buy for the season, keep the balance

Pay-as-you-go from $4 per 1,000 emails, and credits never expire, which suits a business with a booking calendar rather than a flat year.

Check the address at booking, not at check-in

Add verification to the booking form, the loyalty signup and the front-desk system. An address that cannot receive mail gets corrected on the spot, while the guest is still in front of you.

Catches the common domain typos that phone keyboards produce

Flags disposable addresses used to grab a one-time discount

Same endpoint works for web forms, kiosk apps and property systems

Read the API documentation
JavaScript
// booking-form.js — verify as the guest leaves the email field
emailField.addEventListener('blur', async () => {
  const r = await fetch(
    'https://clearbounce.net/api/v1/verify?email=' + emailField.value,
    { headers: { 'X-API-Key': CB_KEY } }
  ).then(r => r.json());

  if (r.result === 'undeliverable') {
    showHint(r.did_you_mean
      ? 'Did you mean ' + r.did_you_mean + '?'
      : 'We cannot send your confirmation to this address.');
  }
});
Guest booking records passing through a cleaning pass, stale cards dropping away

Clean the guest database you already have

Guest records accumulate over years, across property systems, booking engines and spreadsheets from a previous provider. Verifying the combined list tells you how much of it can still be reached before you build a campaign on top of it.

Upload an export from your PMS, booking engine or ESP

Identify the addresses that have gone dead since the last stay

Segment risky addresses instead of removing repeat guests by accident

More on bulk verification

When a travel brand cannot afford an unverified list

Each of these puts operational mail, not just marketing, at risk.

Disruption notices need to go out now

A cancellation or schedule change is the least forgiving message to bounce. You want to know in advance which guests you cannot reach by email.

Front-desk collected addresses are failing

If confirmations sent to desk-captured addresses bounce more than the rest, the capture process is the problem and form-level verification fixes it.

Season is about to start

Pre-season campaigns hit the full database at once, which is exactly when accumulated dead addresses do the most reputational damage.

You are consolidating systems

Merging guest records from several properties or platforms produces duplicates and stale addresses. Verify the merged list before mailing it.

Loyalty signups spiked after a promotion

Discount-driven signups attract throwaway addresses. Verification separates the guests who will come back from the ones who wanted a code.

Review requests are not landing

Post-stay review requests go out to every guest at once. A high bounce rate there is a direct signal that the guest database has decayed.

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 travel and hospitality teams ask

Can we verify addresses captured at the front desk in real time?

Yes. The verification endpoint is a single REST call, so it can be wired into a property management system, a kiosk app or a web form and return a result while the guest is still present.

Does this work with addresses that come through OTAs?

Anything you can export, you can verify. Bulk verification handles addresses arriving from booking partners the same way it handles your own, which matters because you have no control over how they were captured.

How often should a guest database be re-verified?

Before each season and otherwise every six months. Guest records tend to sit unused between stays, which is exactly when addresses go stale without anyone noticing.

Will removing addresses hurt our repeat-guest numbers?

Undeliverable addresses cannot be reached at all, so removing them changes nothing except your bounce rate. Risky and catch-all results are labelled separately, so you can keep repeat guests in a lower-frequency segment rather than deleting them.

Do credits expire between seasons?

No. Credits never expire, so a balance bought for the peak booking period is still there when the next one starts.

See what is really on your list

100 free credits, no credit card. Verify a sample of your travel and hospitality list and see the deliverable, risky and catch-all breakdown for yourself.