The Nosto <> Klaviyo Integration enables brands to build highly personalized shopping journeys that increase their email and SMS performance.
We’re constantly innovating to keep your brand one step ahead, and our latest upgrade (July 2025) brings industry-leading OAuth security to the table.
Upgrading is effortless: Simply log in to Klaviyo, grant Nosto OAuth access, and you’re instantly protected by enterprise-grade authentication. Behind the scenes, your integration will be fortified, streamlined, and ready to drive engagement like never before.
How to Get Started?
To get started, please follow the steps below:
Log in to Nosto and go to Accounts Settings
Locate the Klaviyo Integration and click Manage
In the blue banner, click Migrate to oAuth
Click on Connect to Klaviyo (please make sure your Klaviyo user is an owner, admin, or manager)
Log in with your Klaviyo credentials directly in Klaviyo
In the Authorization page, review the permissions and click Allow
You're all set! All the features you were already using will continue to work seamlessly—no further action needed.
Discover all the integration features we offer by visiting this article.
For any further questions or queries, please send an email to support@nosto.com and our support team will get back to you.