The following table lists all the HotDocs Advance applications.
| IIS name | Description | Example URL |
| HdaRoot | The backend application through which root administrators manage tenancies in Advance. | https://hdroot.yourorganization.com/ |
| HdaApi | Hosts both internal and external APIs for Advance. Internal APIs are used by other Advance applications. External APIs are available to developers, to enable them to integrate Advance with their own applications. This application also interfaces with the Advance databases, hosted in SQL Server. | https://yourtenancy.yourorganization.com/HdaApi |
| HdaAuth | Handles user authentication and authorization for Advance. This includes both username/password authentication and authentication using Active Directory. Additionally, this application enables you to manage API client credentials, used when integrating Advance with your own applications. | https://yourtenancy.yourorganization.com/HdaAuth |
| HdaUi | The user interface used by most end users. It enables site administrators to provision users and manage access to templates. Non-administrative users use the UI to fill interviews and assemble documents. | https://yourtenancy.yourorganization.com/HdaUi |
| CoreAssembly | The service that generates interviews and assembles documents, using data provided by users through the UI. | https://yourorganization.com/AssemblyService |
| HdaClientInterviews | The web application which hosts client interviews. |
https://yourtenancy.yourorganization.com/HdaClientInterviews |