title: API Reference
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+{% comment %}
+Copyright (C) The Arvados Authors. All rights reserved.
+
+SPDX-License-Identifier: CC-BY-SA-3.0
+{% endcomment %}
This reference describes the semantics of Arvados resources and how to programatically access Arvados via its REST API. Each resource listed in this section is exposed on the Arvados API server under the @/arvados/v1/@ path prefix, for example, @https://{{ site.arvados_api_host }}/arvados/v1/collections@.