About RESTful API of RQM in sandbox

2 answers

Yes, you can. However, I would suggest installing a local instance of CLM for testing/experimentation so you can access the CLM logs.
Comments

OK, I tried to get all test cases via restful service like:
But it returns
Error 404:
So could you pls give an example of how to call restful service in sandbox?

Xiaotao,
If you're looking for samples, you could check this resource:
http://sleroyblog.wordpress.com/2013/04/09/querying-rqm-40-through-oslc-and-rest-api/#cs_access_thru_rest
Regards,
Stéphane

The best source of information is the RQM REST API WIKI.