from a DSD, but this functionality may or may not be
offered by an API instance. If it is not offered, this means the client
software needs to retrieve this metadata via other resource requests or
alternatively extract them locally from a DSD file. Finally we signal that on
a technical level the API of the various institutes may differ considerably and
that not all SDMX services implement the same version of SDMX.</p>
<p>This means that users should typically familiarize themselves somewhat with the
specifi