sect-sdmxrules.html#sdmx-and-api-locations" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<p>SDMX metadata is typically exposed through a standardized REST API.
To query an SDMX registry, one needs to supply at least the following
information:</p>
<ul>
<li>The registry’s API entry point. This is the base URL for the online registry.
You can specify it literally, or use one of the helper functions that
are aware of certan known SDMX registries.</li>
<li>Agency ID: the ID of the agency