OpenStack API

Block Storage Service API
Compute API
Compute API extensions
Identity Service API and extensions
Image Service API
Networking API and extensions
Object Storage API
Orchestration API
Telemetry API

CloudStack API

Network
Load Balancer
Virtual Machine
AutoScale
VPN
VPC
Host
Usage
Account
Volume
Template
Snapshot
ISO
Firewall
User
Router
Project
System VM
Storage Pool
Network ACL
Zone
UCS
Security Group
Pod
Cluster
VLAN
Internal LB
Image Store
SSH
NAT
Limit
Domain
Baremetal
Affinity Group
VM Group
Service Offering
Region
Network Offering
Event
Disk Offering
Configuration
Resource tags
Resource metadata
Portable IP
Nicira NVP
Nic
Network Device
Hypervisor
BigSwitch VNS
Alert
Address
Swift
S3
LDAP
Guest OS
Async job
System Capacity
Logout
Login
Cloud Identifier
Certificate
API Discovery

OpenStack API 与 CloudStack API 模块比较

原文：http://www.cnblogs.com/heidsoft/p/3533742.html