How to integrate Owl Carousel with Webflow Cloud for an API-driven slider

Integrating Owl Carousel into a Next.js app deployed on Webflow Cloud requires handling both the plugin’s browser-only jQuery dependency and Webflow’s mounted-app routing. Owl Carousel must be dynamically imported inside a client component after jQuery is assigned to `window.jQuery` and `window.$`, preventing server-rendering errors and ensuring the plugin is available before initialization; its CSS should also be loaded globally for proper layout and controls. Slide data can be served through a standard Next.js Route Handler using a static JSON import rather than `node:fs`, which may fail in Webflow Cloud’s Cloudflare Worker environment, and the route should not use the unsupported Next.js edge runtime directive. Because apps are mounted under paths such as `/showcase`, browser-side fetch requests must manually prepend a public `NEXT_PUBLIC_BASE_PATH` environment variable, configured to exactly match the mount path and rebuilt after changes. Common deployment failures include HTML responses caused by missing path prefixes, broken builds from edge runtime settings, early Owl imports that cause `window` or `owlCarousel` errors, and server errors from file-system access. The same API boundary can later support dynamic content from Webflow CMS while keeping credentials private in server-side environment variables.

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