I'm calling the SF SOAP API from 3rd party system e.g. services/data/v25.0/sobjects/Account/ I'm facing a problem which I would like to debug. How can I debug the API and see what am I being sent?
Use workbench if you need to debug the REST API.
If you are using callout using http you can inspect the body and the header of the response .
For SOAP AP1 use SOAPUI to debug by creating a project with WSDL .(The request and response XML will be auto generated )
Standard REST API its difficult to figure out whole log.The response can be viewed from workbench .