Yes, EBSuite offers web service APIs on key business entity types like Organization, Contact, Opportunity, Case, Knowledge, Task, Product, etc.

You can use our API to integrate EBSuite with your own, or third party business solutions.

The main web service URL is

http://www.ebsuite.com/cxf/

There is also a quick start tutorial for java developers:

http://www.ebsuite.com/wsdoc/

We use Apache CXF on the ESBuite server end, which is java based SOAP protocol solution.

You can use any technology that support SOAP: C#, Java, PHP, etc, to write your web service integration code.

Yes, please navigate to Account -> Setup -> Web Service APIs, and enable the API checkbox.