diff --git a/api/institutions/serializers.py b/api/institutions/serializers.py
index 5beffe60348..3f60cfc65ac 100644
--- a/api/institutions/serializers.py
+++ b/api/institutions/serializers.py
@@ -29,10 +29,12 @@ class InstitutionSerializer(JSONAPISerializer):
         'id',
         'name',
         'auth_url',
+        'sso_availability',
     ])
 
     name = ser.CharField(read_only=True)
     id = ser.CharField(read_only=True, source='_id')
+    sso_availability = ser.CharField(read_only=True)
     description = ser.CharField(read_only=True)
     auth_url = ser.CharField(read_only=True)
     iri = ser.CharField(read_only=True, source='identifier_domain')
diff --git a/api/institutions/views.py b/api/institutions/views.py
index a3c0f93d0c8..b63b5efaa8d 100644
--- a/api/institutions/views.py
+++ b/api/institutions/views.py
@@ -73,6 +73,9 @@ class InstitutionList(JSONAPIBaseView, generics.ListAPIView, ListFilterMixin):
         base_permissions.TokenHasScope,
     )
 
+    # Adding sso_availability to MULTIPLE_VALUES_FIELDS to allow filtering institutions by multiple sso_availability values, e.g. ?filter[sso_availability]=[Unavailable,Hidden]
+    MULTIPLE_VALUES_FIELDS = ListFilterMixin.MULTIPLE_VALUES_FIELDS + ['sso_availability']
+
     required_read_scopes = [CoreScopes.INSTITUTION_READ]
     required_write_scopes = [CoreScopes.NULL]
     model_class = Institution
diff --git a/api_tests/institutions/views/test_institution_list.py b/api_tests/institutions/views/test_institution_list.py
index 74cb0b6bc8f..d203b2b9313 100644
--- a/api_tests/institutions/views/test_institution_list.py
+++ b/api_tests/institutions/views/test_institution_list.py
@@ -15,6 +15,10 @@ def institution_one(self):
     def institution_two(self):
         return InstitutionFactory()
 
+    @pytest.fixture()
+    def institution_three(self):
+        return InstitutionFactory()
+
     @pytest.fixture()
     def url_institution(self):
         return f'/{API_BASE}institutions/'
@@ -47,3 +51,32 @@ def test_does_not_return_deleted_institution(
         assert len(res.json['data']) == 1
         assert institution_one._id not in ids
         assert institution_two._id in ids
+
+    def test_sso_availability_filter(
+            self, app, institution_one, institution_two, institution_three, url_institution
+    ):
+        institution_one.sso_availability = 'Unavailable'
+        institution_one.save()
+
+        institution_two.sso_availability = 'Public'
+        institution_two.save()
+
+        institution_three.sso_availability = 'Hidden'
+        institution_three.save()
+
+        res = app.get(f'{url_institution}?filter[sso_availability]=[Unavailable]')
+        assert res.status_code == 200
+
+        ids = [each['id'] for each in res.json['data']]
+        assert len(res.json['data']) == 1
+        assert institution_one._id in ids
+        assert institution_two._id not in ids
+
+        res = app.get(f'{url_institution}?filter[sso_availability]=[Unavailable,Hidden]')
+        assert res.status_code == 200
+
+        ids = [each['id'] for each in res.json['data']]
+        assert len(res.json['data']) == 2
+        assert institution_one._id in ids
+        assert institution_three._id in ids
+        assert institution_two._id not in ids