The Heroku platform is a container based hosting solution built on AWS making it easy to auto-deploying Apps and Databases. It also has a Toolchain CLI available for developers.
There are also many integrations such as Github, and a huge marketplace for add-ons and extensions called elements. Allowing hundreds of platforms to integrate with the service https://www.heroku.com/elements
The platform API can be used to manage and provision all databases, dynos, and elements.
The terms of service are located here https://www.heroku.com/policy/tos
The status page can are located here https://status.heroku.com/