There are two types of Tags. All details can be found in our documentation TAGGING.
There are two types of Tags. All details can be found in our documentation TAGGING TRIPS
The API reference contains API methods for both types of TAGS:
Period TAG:
1.1. Activate Tag
1.2 Get list of all Tags
1.3. Deactivate a Tag
1.4. Deactivate all active Tags
Trip TAG:
2.1. Add a Tag to a Trip
2.2. Get a list of all Tags from a trip
2.3. Remove a tag from a Trip.