Klaviyo Email Verification
Clean your Klaviyo profiles before your next flow. Connect your Klaviyo account, verify every email address, and push clean results back, all automatically.
Klaviyo is a leading ecommerce marketing platform for email and SMS, popular with Shopify and online stores. Mailthentic integrates directly with Klaviyo to help you verify and clean your contact database without CSV exports or manual work.
How It Works
Four steps to a clean Klaviyo database.
Connect Klaviyo
Paste your API key once to connect. No password sharing.
Import contacts
Pull contacts or lists from Klaviyo. Duplicates are removed automatically.
Verify every email
Each address runs through the 9-point engine including SMTP mailbox confirmation, catch-all and disposable detection.
Push results back
Clean results sync back to Klaviyo. Invalid contacts are tagged so you can exclude them from campaigns.
Why Verify Your Klaviyo Contacts
Protect store deliverability
Bounces from Klaviyo campaigns hurt your sending reputation. Verify before big sends and flows.
Lower your Klaviyo bill
Klaviyo charges by active profiles. Remove invalid addresses and pay only for reachable customers.
Cleaner segments
Verified profiles mean more accurate engagement data and better-targeted flows.
Verify at signup
Use the API to verify checkout and popup signups in real time before they enter Klaviyo.
Frequently asked questions
How does Mailthentic connect to Klaviyo?
Does verification send emails to my contacts?
How much does it cost?
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Clean your Klaviyo contacts today
Start with 1,000 free verification credits. No credit card required.