Hey @hanpet,
At present, I’m not aware of a Shopware integration on Klaviyo’s roadmap. However, this wouldn’t mean this isn’t an area that our teams aren’t potentially be exploring. I’d be curious to learn where you heard this information from to investigate further. Though, I wouldn’t be surprised if Shopware themselves or a third part-developer was in the midst of developing one. Similar to the plugin you noted, developers have a wide array of capability to build their own custom integration and tools to connect softwares.
Since Shopware is not a native integration with Klaviyo, nor does it seem like they have developed one to connect with Klaviyo at present, you can still connect the two by leveraging Klaviyo’s API through a custom integration. You can find more details on how to set up a custom integration from the Developer’s Portal, specifically the Integrate a Platform Without a Pre-built Klaviyo Integration article. You can find further resources from the various articles in the Custom Platform How-To’s section and the API Reference guides.
@Iztok, unique coupons are support between Klaviyo and Shopify because Klaviyo is able to leverage and use the Shopify’s Coupons API. Despite not having this functionality on a custom integration such as Shopware, unique discount codes/coupon codes are still supported. Unique coupon codes would be supported via a manual upload to Klaviyo where they’ll be issued randomly to your recipients. This is further detailed in the Guide to Using Coupon Codes in Klaviyo Help Center article.
David