API Overview

With the extension APIs provided by CTS, you can use all CTS functions, such as querying API versions and the trace list, or creating a tracker.

Table 1 lists CTS APIs.

**Table 1** CTS APIs
Subtype	Description
API versions	API for querying versions of all or specified CTS APIs
Trackers	APIs for creating, modifying, querying, and deleting a tracker
Traces	API for querying traces recorded in the last seven days
Key event notifications	APIs for creating, modifying, querying, and deleting a key event notification
Tags	CTS APIs for managing (adding and deleting) tags.
Other APIs	Other CTS APIs, including the API for querying the tracker quota.