Deliver smarter customer experiences—build with Klaviyo
Your path to the Klaviyo App Marketplace starts here.
Your partnership journey
Explore what’s possible with Klaviyo
Learn how Klaviyo helps developers and product builders create impactful apps—and what you can unlock as a technology partner.
- Tap into 169K+ high-intent ecommerce brands and 6K+ agency partners.
- Get discovered through our SEO-powered App Marketplace and in-product placements.
- Create a stickier product by deeply connecting into a core part of the customer’s tech stack.
Ready to build? Start here
Create an app, verify it, and get listed in the Klaviyo App Marketplace. You’ll get step-by-step docs, developer tools, and a structured verification process—so you can move from first commit to first customer, faster.
- Access API documentation, guides, and a dedicated developer portal to streamline your build.
- Join office hours, tap into our developer community, and get support through verification.
- Once listed, monitor performance and adoption to refine your integration and grow usage.
Make your listing stand out
Once your app is live, your Marketplace listing is the front door for 169,000+ brands and 6,000+ agency partners. Make that first impression count.
- Rich media: Add a short video and use all image slots (up to six).
- Feature highlights: Use up to six callouts to show value.
- Linked assets: Up to four—Help Desk doc (required), case studies, vertical resources.
- Lead capture: Link a pricing or landing page to capture leads.
Why create an app with Klaviyo?
Discover how brands like Grid & Pixel have grown with a Klaviyo technology partnership.
176,000+ brands trust Klaviyo to grow— with a 228% average ROI*
“Being listed in Klaviyo’s app directory gave us instant credibility and put us in front of a new wave of merchants who were actually searching for solutions like ours”
Lou Mintzer, CEO, Grid & Pixel
One ecosystem. Thousands of growth stories.
LET’S CONNECT
Start your journey today
Whether you’re exploring building an app, or have already started development, the K:Partners team is here to help. Get in touch with our team if the resources above aren’t answering your questions on your partner journey or app development, or tell us about your app if you’ve already begun development and are ready to move towards submission.
*Based on The Total Economic Impact™ of Klaviyo, a commissioned study conducted by Forrester Consulting on behalf of Klaviyo. Results are for a composite organization and may not reflect the results achieved by all customers.