For the most recent version of the API, please look at the API documentation listed at the domain where you login, followed by /api8/. If you are not sure what your login URL is, you can find it by logging into your account and then copying the domain from your browser's URL:
For example, if you log in via https://portal.criticalimpact.com, then your API documentation is located at:
Many other non-published API calls are available. If you have a specific request, please let your account manager know. We likely have an API call that will meet your needs.