Once you publish a profile, it becomes available via your public URL. This is a page that anyone can use to register and sign a mandate.
You can optionally add parameters to the public URL to open a specific profile directly and display the page in a chosen language.
Info
You can find your public URL under Settings > Branding:

When navigating to this URL, all published profiles are displayed and can be selected:

You can add parameters to the public URL to redirect customers directly to a specific profile and to control the language of the page
(en, nl, fr, de).
Example: https://mycompany.twikey.com/contracts?ct=1234&l=nl
Parameters
ct: the profile IDl: the language of the page (en, nl, fr, de)