The subdomain is the first part of your BambooHR URL. For example, if your BambooHR URL is https://mycompany.bamboohr.com, then your subdomain is mycompany.
The permissions of the user associated with the API key will determine the permissions of the API key - so it is key
the person creating is an admin with access to data.
Log in and click your name in the upper right-hand corner of any page
Navigate to the user context menu
If you have sufficient permissions, there will be an “API Key” option in the menu
Create an API key if there isn’t one already created
Copy the API key. You will need it to connect eqtble to BambooHR