diff --git a/pygeoapi/openapi.py b/pygeoapi/openapi.py
index a54f972..8d4c8ce 100644
--- a/pygeoapi/openapi.py
+++ b/pygeoapi/openapi.py
@@ -238,6 +238,14 @@ def get_oas_30(cfg):
             'default': {
                 'description': 'Unexpected error',
                 'content': gen_media_type_object('application/json', 'oapip', 'schemas/exception.yaml')  # noqa
+            },
+            'Queryables': {
+                'description': 'successful queryables operation',
+                'content': {
+                    'application/json': {
+                        'schema': {'$ref': '#/components/schemas/queryables'}
+                    }
+                }
             }
         },
         'parameters': {
@@ -278,6 +286,58 @@ def get_oas_30(cfg):
                 'style': 'form',
                 'explode': False
             }
+        },
+        'schemas': {
+            # TODO: change this schema once OGC will definitively publish it
+            'queryable': {
+                'type': 'object',
+                'required': [
+                    'queryable',
+                    'type'
+                ],
+                'properties': {
+                    'queryable': {
+                        'description': 'the token that may be used in a CQL predicate', # noqa
+                        'type': 'string'
+                    },
+                    'title': {
+                        'description': 'a human readable title for the queryable', # noqa
+                        'type': 'string'
+                    },
+                    'description': {
+                        'description': 'a human-readable narrative describing the queryable', # noqa
+                        'type': 'string'
+                    },
+                    'language': {
+                        'description': 'the language used for the title and description', # noqa
+                        'type': 'string',
+                        'default': [
+                            'en'
+                        ]
+                    },
+                    'type': {
+                        'description': 'the data type of the queryable', # noqa
+                        'type': 'string'
+                    },
+                    'type-ref': {
+                        'description': 'a reference to the formal definition of the type', # noqa
+                        'type': 'string',
+                        'format': 'url'
+                    }
+                }
+            },
+            'queryables': {
+                'type': 'object',
+                'required': [
+                    'queryables'
+                ],
+                'properties': {
+                    'queryables': {
+                        'type': 'array',
+                        'items': {'$ref': '#/components/schemas/queryable'}
+                    }
+                }
+            }
         }
     }
 
@@ -362,7 +422,7 @@ def get_oas_30(cfg):
                         items_f,
                     ],
                     'responses': {
-                        '200': {'$ref': '{}#/components/responses/Features'.format(OPENAPI_YAML['oapif'])},  # noqa
+                        '200': {'$ref': '#/components/responses/Queryables'},
                         '400': {'$ref': '{}#/components/responses/InvalidParameter'.format(OPENAPI_YAML['oapif'])},  # noqa
                         '404': {'$ref': '{}#/components/responses/NotFound'.format(OPENAPI_YAML['oapif'])},  # noqa
                         '500': {'$ref': '{}#/components/responses/ServerError'.format(OPENAPI_YAML['oapif'])}  # noqa