After logging in with your administrator account, click on the profile icon in the upper-right corner and navigate to User Settings.
Next, scroll down to the Resources section on the lower-left side and click on API Keys. Then, select Add API Key.
In the window that appears, go to the Generate API Key Pair section and download the Private Key file. This .pem file will be required during the data source configuration process.
After downloading the key, click Add and make sure to copy and securely store the details shown on the screen. These values will also be needed when configuring the integration.
Once you have entered all the required details and uploaded the downloaded .pem file, the data source setup will be complete. Logs should begin flowing shortly after.