# The Trade Desk

> OpenPass is a single sign-on solution that gives publishers control of their user data.

- [Become a partner](https://openpass.thetradedesk.com/contact-us)
- [Documentation](https://partner.thetradedesk.com/v3/portal/openpass/doc/OpenPassGetStarted?_gl=1*b8x4pw*_gcl_au*MTExNDY3NTY2My4xNzUwOTU3MTU5*_ga*NzE1NTkxODg4LjE3NDk2NjE3ODc.*_ga_1TDCVM323C*czE3NTE5MTA0NTkkbzYyJGcxJHQxNzUxOTE1NDU1JGo1OSRsMCRoMA..*_ga_Q9M1FKF558*czE3NTE5MTA0NTkkbzU5JGcxJHQxNzUxOTE1NDU1JGo2MCRsMCRoMA..)