I’m a developer at Filestack and would love to help you out. You should be able to use the “Embed” functionality on your Webflow page to import the Filestack Javascript library and execute the upload picker. The code would look something like this:
<script src=“https://static.filestackapi.com/v3/filestack.js”></script>
<script type=“text/javascript”>
var fsClient = filestack.init(‘AqjBremu4RqC30mioRszFz’);
function openPicker() {
fsClient.pick({
fromSources:[“local_file_system”,“imagesearch”,“facebook”,“instagram”,“dropbox”]
}).then(function(response) {
// declare this function to handle response
handleFilestack(response);
});
}
</script>
The preview link in your post is showing a blank project for me so I am unable to help you get it working there. Sorry. If you have any questions feel free to send an email to support@filestack.com. Good luck!