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The Best Klaviyo Integrations: Fuel Your Conversions

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Do you use Klaviyo for your email marketing and want to give your customers and prospects the best possible experience across your E-Commerce processes? If so, you should take a look at Klaviyo integrations.

Klaviyo offers everything you need for successful marketing funnels across multiple touchpoints. There are not only more than 70 pre-built integrations available, but it also comes with solid and flexible interfaces (APIs), which you can integrate into almost anything. However, with all this flexibility, choosing the right integration might be difficult.

That’s precisely why we’re here. In this article, we will provide you with an overview of the most useful integrations within Klaviyo.

What Is Klaviyo?

Klaviyo Integrations What Is Klaviyo

Klaviyo is much more than a simple email service provider (ESP). It’s a fully integrated customer data and email marketing automation platform for E-Commerce. Once you integrate it into your E-Commerce platform, you will be able to: 

  • Build subscriber lists and segments
  • Design emails (or SMS) and sign-up forms
  • Create engaging email flows and campaigns
  • Gain insights into email marketing data and optimize your growth

If you’re new to the world of email marketing, here are a few terms to start with:

Lists and segments are collections of your subscribers. While a list contains everyone you assign it to, a segment is dynamically created by a set of defined conditions. The conditions are very flexible and allow you to target and be very specific in segmenting. Simply said, when done right, Klaviyo will deliver the right message to the right person at the right time.

Flows and campaigns define the way how you engage with your audience. While campaigns are one-time emails you send out, flows are ongoing processes triggered by specific actions and events. For example, a very popular flow is the  abandoned checkout‘ flow, which gets triggered when someone adds your products to the cart without buying them. However, Klaviyo does come with a solid set of pre-built flows which you can utilize.

If you need to create flows with more than one touchpoint or need external data as a trigger for your flows, you can use one of the many integrations Klaviyo offers. 

For more advanced flows and segmentation, you might want to consult an expert to make sure that you’re not spamming or having a destructive impact on your relationship with your audience. 

How to Integrate Your E-Commerce Data With Klaviyo?

Klaviyo Integrations Integrate E-Commerce

The more data you integrate from your different tools, the more personal and on-point your messaging will be. More data means more personalization and a better experience for your audience. That’s as easy as it gets.

On a technical level, the first thing you’d need to do is connect Klaviyo to your E-Commerce store. If you’re using Shopify, WooCommerce, BigCommerce, Magento, PrestaShop, or Volusion, you can use Klaviyo’s one-click integration and set everything up in a few minutes.

If you’re using a custom E-Commerce solution or one that Klaviyo doesn’t support by default, you can make use of its APIs. 

Klaviyo JavaScript API

You can integrate Klaviyo’s data tracking mechanisms through their JavaScript API. To do so, simply add a piece of tracking code to your website. By adding the snippet to your site, you can track when someone visits your website, views a product, adds it to the cart, or initiates a checkout. For more information, check out Klaviyo’s reference.

Klaviyo Server-Side API

Another, and a bit more complicated, way to track users on your page, is through Klaviyo’s server-side API. For example, you can analyze and identify orders and such along their natural lifecycle (placed, fulfilled, canceled, refunded). 

For a detailed manual on how to integrate the APIs, check out this documentation

If you have further questions on how to integrate Klaviyo into your ecosystem, drop us a message, and we’ll be happy to help.

The Best Klaviyo Integrations

As already mentioned, Klaviyo comes with a lot of pre-built integrations. However, some are more useful than others. So, to give you a helping hand on how to integrate Klaviyo and the benefits of the integrations, we came up with a list of what we think are the most useful ones.

Here’s an overview of the integrations we will cover: 

Klaviyo Shopify Integration

Klaviyo Integrations Shopify Integration

This integration is probably the most powerful. If you own a Shopify store, there’s no way around this one. Simply said, with this integration, you can unleash the best of both worlds: Shopify and Klaviyo. Many neat features make you think Shopify and Klaviyo are made by one and the same company. 

Benefits of the Klaviyo Shopify Integration

As mentioned above, the more data, the better… and by integrating these two platforms, you’ll have plenty of it. Here are a few use cases for campaigns and automated flows that are enabled through this integration:

  • Split segments according to purchase behavior
  • Split segments according to location (relevant for bricks and mortar stores)
  • Back in stock alerts 
  • Individualized coupons
  • Personalized product recommendations
  • Follow-up emails

Besides that, Klaviyo will also:

  • Collect and store relevant data about your customers
  • Predict the date of next purchase, churn risk, and optimal sending time 
  • Sync product attributes 

You can use these predictions to anticipate churn or target high-value customers. Simply said, you’ll know exactly what your customers are buying.

Klaviyo WooCommerce Integration

Klaviyo Integrations WooCommerce Integration

If you’re running your online store with WordPress and WooCommerce, Klaviyo also has a rock-solid integration for you.

Benefits of the Klaviyo WooCommerce Integration

If you want to build different email marketing funnels in WooCommerce, you will probably have to install several plugins. Plus, you’d have to integrate all of those plugins into each other to achieve the best results. 

If you use Klaviyo with WooCommerce, though, you’ll only need one integration. Plus, it offers you similar use cases like Shopify (see above) and syncs your data in real-time. 

Klaviyo Calendar Integration

Imagine you are planning an exciting event for your customers. Wouldn’t it be great to add the event directly to their calendar? With the Klaviyo Calendar integration, you can do precisely that.

How to Integrate Klaviyo With a Calendar?

First things first: there is no such thing as a ‘universal calendar integration’ for Klaviyo, simply because people use different calendars (Google Calendar, Apple, Outlook, and whatnot).

But the easiest way to integrate Klaviyo with a calendar is by linking from your email templates. First, you can create the event in your calendar and export it. Once you have done that, simply add the link to your button, image, or text element in Klaviyo.

Here’s a more detailed example.

You could also try to utilize the native Eventbrite Integration.

Klaviyo Facebook Integration

Facebook collects a lot of data about its users, which you should take advantage of for your E-Commerce store (within legal boundaries, of course). 

There is a one-click Facebook Integration available to connect your Facebook business account to Klaviyo. Once the integration is set up, you can add new lead ad connections and sync custom audiences (Facebook integrations syncs with Klaviyo take place every hour).

Benefits of the Klaviyo Facebook Integration

The possibilities and data exchanged via Klaviyo go beyond demographic information or interests. You can sync data on how prospects behaved in your store and collect information such as the last product they looked at.

You can also use Klaviyo as a lead source for so-called ‘lookalike audiences’ on Facebook, with which you can basically replicate users that are very likely to buy from your page and advertise to them. 

Besides, you can sync other segments to find new customers and prospects with similar attributes and interests. You can create segments based on criteria like website activity, purchase behavior, or lifetime value. 

Another important feature is the Facebook Lead Generation integration, with which you can create ‘Lead Generation’  ads on Facebook and generate new newsletter subscribers that directly go into Klaviyo.

Klaviyo Yotpo Integration

Klaviyo Integrations Yotpo Integration

Yotpo is a review and customer loyalty platform, and a Klaviyo Yotpo integration is only available on selected Yotpo plans. Setting up the integration is easy and only takes a couple of minutes. 

Benefits of the Klaviyo Yotpo Integration

Reviews and user-generated content (UGC) are the backbones of trust on the internet. Both play a major role in the buying decision, which makes the Klaviyo Yotpo integration even more powerful.

There are several use cases for such integration:

  • You can promote your products through Klaviyo (up to 10 products)
  • You can increase the number of reviews by sending automated reminder emails 
  • You can incentivize reviews through coupons
  • You can build social proof for your products (and sell more)
  • You can trigger emails based on review scores

Klaviyo ShipStation Integration

ShipStation is an E-Commerce fulfillment platform that allows you to handle your shipping and fulfillment. That includes integration to multiple carriers, printing shipping labels, and integration of order information for tracking purposes. 

Benefits of the Klaviyo ShipStation Integration

Integrated into Klaviyo, ShipStation allows you to synchronize events during your fulfillment process easily. As a result, you can give faster and more reliable orders status updates and trigger custom flows. 

As you might know, fulfillment is a significant part of E-Commerce and creates a foundational bond between the client and your business. The more information you can provide to your clients, the more trust you’re gaining from them.


Klaviyo and its available integrations make it a solid email marketing companion for anyone owning an E-Commerce store. Even if there is no native one-click integration, you can use its powerful APIs to integrate almost anything into Klaviyo. 

Here are, in short, essential Klaviyo integrations:

  • Shopify and WooCommerce – collect data about customers and prospects and tailor precise email marketing campaigns and flows to generate more revenue.
  • Calendar – automate reminder emails for events and include event information directly to your emails. 
  • Facebook – improve your targeting and lower your ad spent. 
  • Yotpo – collect more reviews and enrich your email campaigns with social proof. 
  • ShipStation – accompany your clients through the fulfillment process and give updates in real-time.

Which Klaviyo integration do you use? Did we miss your favorite one? Let us know in the comments. Thank you for reading!

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