OnlyOnce Buttons
Preview
Fill with OnlyOnce
Options
Form ID or URL
Example: cocacola/contactform
Button text
Color scheme
Light
Dark
Auto
Small button
Code
<a href="javascript:void(null)" data-size="normal" data-color-scheme="light" aria-label="Fill with OnlyOnce" class="oo-btn">Fill with OnlyOnce</a>
<!-- Place this tag in your head or just before your close body tag. --> <script async defer src="https://buttons.onlyonce.com/oo-btn.js"></script>