We are currently working with some Large IBM customers with legacy apps requiring integration with SugarCRM. Their preferred method is via JAVA connector and we have recommended the SugarCRM REST API for a number of reasons including performance and ease of enhancement.
Generally SugarCRM REST API allows you to use both POST and GET request method for the same function.
As the POST method claims to be faster, we will use it for the example below:
If you have any questions or need assistance with SugarCRM APIs, contact Provident CRM firstname.lastname@example.org - Provident are a SugarCRM Gold Partner with offices in London, Munich, Dublin and Vienna.