# CouchDB CouchDB is an open-source NoSQL document-oriented database management system that provides easy-to-use web-based interfaces for data storage, retrieval, and indexing, as well as built-in synchronization and replication capabilities. ## Prerequisites * Get CouchDB database connection parameters from the database owner. * Refer to IP allowlist to add IP addresses of Lowcoder to your allowlist (if needed). ## Connect to CouchDB data source Follow the steps below: 1. Create a new data source in two ways. Note that this permission is restricted to workspace admins and developers. * Navigate to the **Data Sources** tab on [Lowcoder Homepage](https://lowcoder.dev) and click **New data source**. * When creating a new query in the app editor, click **+ New** > **+ New data source**. 2. Select **Database** > **CouchDB** as the data source type. 3. Set its name and configure the server URL. You can also set the user name and a password. 4. (Optional) Click **Test connection** to check whether the new data source is successfully connected. 5. Click **Save**, and it will be saved to your data source library.