diff --git a/passerelle/apps/api_entreprise/models.py b/passerelle/apps/api_entreprise/models.py
index 020c0fdc..be79666c 100644
--- a/passerelle/apps/api_entreprise/models.py
+++ b/passerelle/apps/api_entreprise/models.py
@@ -288,8 +288,14 @@ class APIEntreprise(BaseResource):
                   'object': OBJECT_PARAM,
                   'context': CONTEXT_PARAM,
                   'recipient': RECIPIENT_PARAM,
+                  'include_private':  {
+                      'description': _('Include private informations'),
+                      'example_value': 'true'
+                  }
               })
-    def entreprises(self, request, siren, **kwargs):
+    def entreprises(self, request, siren, include_private=False, **kwargs):
+        if include_private:
+            kwargs['non_diffusables'] = True
         return self.get('entreprises/%s/' % siren, **kwargs)
 
     @endpoint(perm='can_access',
diff --git a/tests/test_api_entreprise.py b/tests/test_api_entreprise.py
index ecd49c19..5dd43a7c 100644
--- a/tests/test_api_entreprise.py
+++ b/tests/test_api_entreprise.py
@@ -382,6 +382,19 @@ def test_entreprises_endpoint(app, resource, mock_api_entreprise):
     assert data['etablissement_siege']['date_mise_a_jour'] == '2015-12-03'
 
 
+def test_entreprises_endpoint_include_private(app, resource, mock_api_entreprise, monkeypatch):
+    get = mock.Mock(return_value={})
+    monkeypatch.setattr(resource.__class__, 'get', get)
+    request_params = REQUEST_PARAMS.copy()
+
+    app.get('/api-entreprise/test/entreprises/443170139/', params=request_params)
+    assert 'non_diffusables' not in get.mock_calls[0].kwargs
+
+    request_params['include_private'] = True
+    app.get('/api-entreprise/test/entreprises/443170139/', params=request_params)
+    assert get.mock_calls[1].kwargs['non_diffusables'] is True
+
+
 def test_etablissements_endpoint(app, resource, mock_api_entreprise):
     response = app.get('/api-entreprise/test/etablissements/44317013900036/',
                        params=REQUEST_PARAMS)