Python Client Library
If you want to access trajectory from Python programs, refer to: Python Client Library for WLTS.
R Client Library
If you want to access trajectory from R programs, refer to: rwlts.
WLTS OpenAPI v3 Specification
For a detailed explanation of the WLTS service and its formal specification, please refer to: WLTS OpenAPI 3 Specification.
WLTS Server
For a server implementation, refer to: WLTS Server.