UCAPTCHA Documentation
Get UCAPTCHA protecting your forms in minutes. Choose your platform below for a step-by-step installation guide.
Before you start
Every installation requires a site key — a unique token that identifies your website. You can get one by creating a free account and registering your site.
Installation guides
Plain HTML
Add UCAPTCHA to any static site or custom-coded page with a single script tag.
WordPress
Install via the header/footer plugin or paste directly into your theme.
Webflow
Add to your Webflow site using the Custom Code panel in Site Settings.
Squarespace
Inject the widget via Code Injection in the Advanced settings panel.
Wix
Add UCAPTCHA using the Wix Custom Code (formerly Velo) feature.
Shopify
Protect your Shopify contact and newsletter forms via theme customization.
Google Tag Manager
Deploy UCAPTCHA through GTM, including targeting specific pages like your contact page.