diff --git a/rero_ils/modules/items/api.py b/rero_ils/modules/items/api.py
index a78511803b..d0c55797e0 100644
--- a/rero_ils/modules/items/api.py
+++ b/rero_ils/modules/items/api.py
@@ -234,6 +234,7 @@ def delete_from_index(self):
     def create(cls, data, id_=None, delete_pid=False,
                dbcommit=False, reindex=False, **kwargs):
         """Create item record."""
+        cls._item_build_org_ref(data)
         record = super(Item, cls).create(
             data, id_, delete_pid, dbcommit, reindex, **kwargs)
         if not data.get('holding'):
@@ -248,6 +249,23 @@ def update(self, data, dbcommit=False, reindex=False):
 
         return self
 
+    @classmethod
+    def _item_build_org_ref(cls, data):
+        """Build $ref for the organisation of the item."""
+        loc_pid = data.get('location', {}).get('pid')
+        if not loc_pid:
+            loc_pid = data.get('location').get('$ref').split('locations/')[1]
+            org_pid = Location.get_record_by_pid(loc_pid).organisation_pid
+        base_url = current_app.config.get('RERO_ILS_APP_BASE_URL')
+        url_api = '{base_url}/api/{doc_type}/{pid}'
+        org_ref = {
+            '$ref': url_api.format(
+                base_url=base_url,
+                doc_type='organisations',
+                pid=org_pid or cls.organisation_pid)
+        }
+        data['organisation'] = org_ref
+
     def item_link_to_holding(self):
         """Link an item to a holding record."""
         from ..holdings.api import \
@@ -947,3 +965,9 @@ def item_has_active_loan_or_request(self):
         )
         search_result = search.execute()
         return search_result.hits.total
+
+    def dumps(self, **kwargs):
+        """Return pure Python dictionary with record metadata."""
+        dump = super(Item, self).dumps(**kwargs)
+        dump['available'] = self.available
+        return dump
diff --git a/rero_ils/modules/items/jsonschemas/items/item-v0.0.1.json b/rero_ils/modules/items/jsonschemas/items/item-v0.0.1.json
index d8c5eb2125..c8005efe8d 100644
--- a/rero_ils/modules/items/jsonschemas/items/item-v0.0.1.json
+++ b/rero_ils/modules/items/jsonschemas/items/item-v0.0.1.json
@@ -97,6 +97,17 @@
           "pattern": "^https://ils.rero.ch/api/holdings/.+?$"
         }
       }
+    },
+    "organisation": {
+      "title": "Organisation",
+      "type": "object",
+      "properties": {
+        "$ref": {
+          "title": "Organisation URI",
+          "type": "string",
+          "pattern": "^https://ils.rero.ch/api/organisations/.*?$"
+        }
+      }
     }
   }
 }
diff --git a/rero_ils/modules/items/listener.py b/rero_ils/modules/items/listener.py
index cc976fb5f3..c864be6296 100644
--- a/rero_ils/modules/items/listener.py
+++ b/rero_ils/modules/items/listener.py
@@ -38,3 +38,4 @@ def enrich_item_data(sender, json=None, record=None, index=None,
         json['organisation'] = {
             'pid': org_pid
         }
+        json['available'] = item.available
diff --git a/tests/api/test_items_rest.py b/tests/api/test_items_rest.py
index 02a86a7206..b2711d83f0 100644
--- a/tests/api/test_items_rest.py
+++ b/tests/api/test_items_rest.py
@@ -107,14 +107,16 @@ def test_items_post_put_delete(client, document, loc_public_martigny,
     assert res.status_code == 201
 
     # Check that the returned record matches the given data
-    del data['metadata']['holding']
+    for deleted_key in ['holding', 'available']:
+        data['metadata'].pop(deleted_key)
     assert data['metadata'] == item_lib_martigny_data
 
     res = client.get(item_url)
     assert res.status_code == 200
 
     data = get_json(res)
-    del data['metadata']['holding']
+    for deleted_key in ['holding', 'available']:
+        data['metadata'].pop(deleted_key)
     assert item_lib_martigny_data == data['metadata']
 
     # Update record/PUT
diff --git a/tests/api/test_items_rest_views.py b/tests/api/test_items_rest_views.py
index a946247620..e31be3c7b9 100644
--- a/tests/api/test_items_rest_views.py
+++ b/tests/api/test_items_rest_views.py
@@ -24,7 +24,7 @@
 import pytest
 from flask import url_for
 from invenio_accounts.testutils import login_user_via_session
-from utils import postdata
+from utils import get_json, postdata
 
 from rero_ils.modules.documents.views import item_status_text
 from rero_ils.modules.errors import InvalidRecordID
@@ -32,6 +32,26 @@
 from rero_ils.modules.loans.api import LoanAction
 
 
+def test_item_dumps(client, item_lib_martigny, org_martigny,
+                    librarian_martigny_no_email):
+    """Test item dumps and elastic search version."""
+    item_dumps = Item(item_lib_martigny.dumps()).replace_refs()
+
+    assert item_dumps.get('available')
+    assert item_dumps.get('organisation').get('pid') == org_martigny.pid
+
+    login_user_via_session(client, librarian_martigny_no_email.user)
+    record_url = url_for('invenio_records_rest.item_item',
+                         pid_value=item_lib_martigny.pid)
+
+    res = client.get(record_url)
+    assert res.status_code == 200
+
+    item_es = Item(get_json(res).get('metadata'))
+    assert item_es.available
+    assert item_es.organisation_pid == org_martigny.pid
+
+
 def test_checkout_no_loan_given(client, librarian_martigny_no_email,
                                 patron_martigny_no_email, loc_public_martigny,
                                 item_lib_martigny, json_header,