There are several methods to retrieve the ID5 Universal ID
- Prebid.js UserId Module — Learn the benefits of Universal ID and how to integrate it into your existing Prebid.js setup
- ID5 Javascript Library — Learn the benefits of Universal ID and how to make it available to your partners from your website using our client-side Javascript Library
- Custom Integrations — There are several custom integration methods to retrieve the ID5 Universal ID via client-side or server-side calls and web services.