Methods and systems for application licensing authentication are disclosed herein. The method includes processing a request for a license for an application from a purchaser at a marketplace service. The method also includes sending a token from the marketplace service to a client platform, wherein the client platform is configured to allow the purchaser to assign a seat to a user and to send the token to a third party service when the user attempts to access the application. The method further includes accepting the token from the third party service at the marketplace service, verifying the validity of the token within the marketplace service, and returning a message verifying the validity of the token to the third party service. Moreover, the third party service may be configured to allow the user to access specific levels of service within the application through the client platform.
