ould query the respective sources using one and the same API. The latest
version of the REST API is 2.1 which is described very well in the easy to use
<a href="https://github.com/sdmx-twg/sdmx-rest/raw/master/doc/rest_cheat_sheet.pdf">SDMX API cheat sheet</a>
Inspecting the endpoints shows that not all providers implement all same
resource values. Depending on the provider an organization may decide which
elements of the API are exposed. For example, the API standard defines methods
to retrieve code lists 