--- title: Usage & Billing --- The **USAGE & BILLING** section displays your ClearML workspace usage information including: * Number of workspace users * Available storage * Number of monthly API calls ![Billing and Usage free](../../img/settings_billing_usage_free.png) To add users to your workspace, click **INVITE USERS** in the **USERS** section. This will redirect you to the **USER MANAGEMENT** page, where you can invite users (see details [here](webapp_settings_users.md#inviting-new-teammates)). ## ClearML Pro If you use up your free resources, consider upgrading your account! See the [ClearML pricing page](https://clear.ml/pricing/) for additional plans information. With the ClearML Pro plan, the **USAGE & BILLING** page additionally shows estimated charges for the current billing period and provides access to billing information. ![Billing and Usage pro](../../img/settings_billing_usage.png) **To Upgrade your account to ClearML Pro**, click **UPGRADE** in the top right corner of the page. This will open a wizard where you will be able to read the terms and conditions and input your billing information. **To update your billing information:** 1. Click **My billing info** in the top left of the page, which will open a dialog with your current information 1. Click **Update payment methods**, which will open a window where you can update your information Access all of your previous invoices by clicking **My invoices** in the top left of the page. This will open the **PAYMENT HISTORY** window, where you can download any of your invoices. Click **EMAIL INVOICES** to receive details of your past transactions, licenses and downloads to your email.