Here are the current apis available in OpenStack:
Here are the proposed apis that could be available in OpenStack:
The customer could talk to each individual endpoint, but some operators would want to present a comprehensive api to the customer. This could be done by having a proxy layer above the service apis that would route the request to the appropriate api.
In our example below, if the customer was requesting /images, then proxy would receive the request then route it to the glance api.
