## Mimecast Event Collector In order to retrieve your Mimecast credentials for Cortex XSIAM, follow the instructions below. ### Application ID and Application Key Perform the following steps in your Mimecast application: 1. Go to **Administration console** -> **Administration** -> **Services** -> **API and Platform Integrations** -> Your Application Integrations. 2. If you already have an application, click the 3-dot menu and click **View** to retrieve your application ID and application key. Otherwise, click **Add API Application** and follow the instructions. ### Secret Key and Access Key 1. Go to **Administration console** -> **Administration** -> **Services** -> **API and Platform Integrations** -> Your Application Integrations. 2. Click the 3-dot menu and click **Create Keys** and follow the steps to retrieve your Access Key and Secret Key *Note: You may have to wait up to 20 minutes after creation of a new API Application.* ### Base URL Insert your custom base URL or checkout [Mimecast base url](https://integrations.mimecast.com/documentation/api-overview/global-base-urls/) in order to find your base URL (for example: https://us-api.mimecast.com). ### Pre-requisites ##### Audit Logs [Audit pre-requisites](https://integrations.mimecast.com/documentation/endpoint-reference/logs-and-statistics/get-audit-events/#:~:text=Sample%20Code-,Pre,-%2Drequisites) ##### SIEM Logs [SIEM pre-requisites](https://integrations.mimecast.com/documentation/endpoint-reference/logs-and-statistics/get-siem-logs/#description:~:text=in%20logs%27%20downloaded.-,Pre%2Drequisites,-The%20data%20served)