<form method="get" action="https://api.flipsnack.com/v1/">
<input type="hidden" name="action" value="collection.downloadHTML">
<input type="hidden" name="apiKey" value="LK12NS-0-IOBW3S89VVJH12Z">
<input type="hidden" name="collectionHash">
<input type="hidden" name="signature" value="2298a6456c1dd2d12b895ce4688ffe31">
<button type="submit">Submit</button>