diff --git a/docs/uri-scheme-api-identifiers.rst b/docs/uri-scheme-api-identifiers.rst
--- a/docs/uri-scheme-api-identifiers.rst
+++ b/docs/uri-scheme-api-identifiers.rst
@@ -2,3 +2,6 @@
 ----------------------
 
 .. autosimple:: swh.web.api.views.identifiers.api_resolve_swh_pid
+
+.. autosimple:: swh.web.api.views.identifiers.api_swh_pid_known
+
diff --git a/swh/web/api/views/identifiers.py b/swh/web/api/views/identifiers.py
--- a/swh/web/api/views/identifiers.py
+++ b/swh/web/api/views/identifiers.py
@@ -67,23 +67,32 @@
 
 
 @api_route(r'/known/',
-           'api-1-swh-pid-known', methods=['POST'])
-@api_doc('/known/', tags=['hidden'])
+           'api-1-known', methods=['POST'])
+@api_doc('/known/')
 @format_docstring()
 def api_swh_pid_known(request):
     """
     .. http:post:: /api/1/known/
 
-        Check if a list of Software Heritage persistent identifier is present
-        in the archive depending on their id (sha1_git).
+        Check if a list of objects are present in the Software Heritage archive.
 
-        Returns:
-            A dictionary with:
-                keys(str): Persistent identifier
-                values(dict): A dictionary containing the key 'known'. (true if
-                the pid is present, False otherwise)
+        The objects to check existence must be provided using Software Heritage
+        persistent identifiers (based on sha1_git checksums).
 
-    """
+        :<jsonarr string -: Input array of Software Heritage persistent identifiers
+
+        :>json object <swh_pid>: an object whose keys are input persistent identifiers
+            and values objects with the following keys:
+
+                * **known (bool)**: whether the object was found
+
+        {common_headers}
+
+        **Allowed HTTP Methods:** :http:method:`post`, :http:method:`head`, :http:method:`options`
+
+        :statuscode 200: no error
+        :statuscode 400: an invalid persistent identifier has been provided
+    """ # noqa
     persistent_ids = [get_persistent_identifier(pid)
                       for pid in request.data]
 
diff --git a/swh/web/tests/api/views/test_identifiers.py b/swh/web/tests/api/views/test_identifiers.py
--- a/swh/web/tests/api/views/test_identifiers.py
+++ b/swh/web/tests/api/views/test_identifiers.py
@@ -109,7 +109,7 @@
     input_pids = [content_, directory_, unknown_revision_,
                   unknown_release_, unknown_snapshot_]
 
-    url = reverse('api-1-swh-pid-known')
+    url = reverse('api-1-known')
 
     resp = api_client.post(url, data=input_pids, format='json',
                            HTTP_ACCEPT='application/json')
@@ -129,7 +129,7 @@
     invalid_pid_sha1 = ['swh:1:cnt:8068d0075010b590762c6cb5682ed53cb3c13de;']
     invalid_pid_type = ['swh:1:cnn:8068d0075010b590762c6cb5682ed53cb3c13deb']
 
-    url = reverse('api-1-swh-pid-known')
+    url = reverse('api-1-known')
 
     resp = api_client.post(url, data=invalid_pid_sha1, format='json',
                            HTTP_ACCEPT='application/json')