Complex businesses require complex systems in order to conduct their day to day business. Often times this means there are a number of systems that perform different functions that need to communicate with each other. Salesforce.com provides a wide range of application programming interfaces (APIs) which can be used to easily integrate with existing systems. These APIs allow an application on the Force.com platform to fit seamlessly into the overall enterprise architecture of the business. Greftech has experience integrating salesforce.com applications with existing systems.