Our API is versioned to cater for backward compatibility. The current version as of 2022-05-23 is v1, the first rolled-out version.
All requests use the default version assigned in the example requests you'd see later in the resource section. You can set your preferred version per request to override the API version, as shown below.
curl --location --request GET 'localhost:3033/api/v1'
A preferable approach should be to append the version at the end of the BASE URL. This way, you should be able to reuse the BASE URL concatenated with your preferred version across all resource URLs.