+See `Callout server API <./EXT_SRV_api.html>`_ for full details of the API.
+
+The API is also described in YAML:
+
+
+.. csv-table::
+ :header: "API name", "|yaml-icon|"
+ :widths: 10,5
+
+ "Callout Server API", ":download:`link <../near-rt-ric-simulator/test/EXT_SRV/api/EXT_SRV_api.yaml>`"