A RESTful Web service (or RESTful Web API) is a software system that allows users to query data using a URL. The response formats of TCGA web services are in XML or JSON .
Note that there are limits placed on the number of connections that can be made to a web service:
Exceeding these quotas will cause the system to return HTTP Status Code 413.
For more information, view a list of web services available at the DCC.