GOV.UK PaaS v3
GOV.UK PaaS allows government departments to host web facing services in the AWS cloud in Dublin and London regions. GOV.UK PaaS is built on the Open Source Cloud Foundry platform. There are two major versions of the API, v2 and v3. The API provides a comprehensive set of resources to manage the state of your Cloud Foundry Organisation, Spaces, Services and Applications.
You can read the GOV.UK PaaS technical documentation for users.
The API handles all requests from the Cloud Foundry Command Line Interface (CLI) which is the primary user interface for users of the platform.