Both of the SOAP/XML/REST/JSON Web services testing tools SOAPSonar and CloudPort from Crosscheck Networks have EMAP certified native integration with HP Quality Center.
Native Quality Center Integration allows direct browsing and publishing to HP QC Projects. For full details on the HP Quality Center integration, please see:
https://helpdesk.crosschecknet.com/entries/172398-docs-soapsonar-hp-quality-center-integration-guide.
