diff --git a/services/TS29222_CAPIF_Discover_Service_API/service_apis/controllers/default_controller.py b/services/TS29222_CAPIF_Discover_Service_API/service_apis/controllers/default_controller.py
index 05c6d6a440ab84fdeb7df321e913fcc3aa74ce52..e6b41b08c4877084cf2e81ba16474d08c6686cc1 100644
--- a/services/TS29222_CAPIF_Discover_Service_API/service_apis/controllers/default_controller.py
+++ b/services/TS29222_CAPIF_Discover_Service_API/service_apis/controllers/default_controller.py
@@ -55,18 +55,7 @@ def all_service_apis_get(api_invoker_id, api_name=None, api_version=None, comm_t
 
     :rtype: Union[DiscoveredAPIs, Tuple[DiscoveredAPIs, int], Tuple[DiscoveredAPIs, int, Dict[str, str]]
     """
-    if request.is_json:
-        comm_type = CommunicationType.from_dict(request.get_json()())  # noqa: E501
-    if request.is_json:
-        protocol = Protocol.from_dict(request.get_json()())  # noqa: E501
-    if request.is_json:
-        data_format = DataFormat.from_dict(request.get_json()())  # noqa: E501
-    if request.is_json:
-        preferred_aef_loc = AefLocation.from_dict(request.get_json()())  # noqa: E501
-    if request.is_json:
-        ue_ip_addr = IpAddrInfo.from_dict(request.get_json()())  # noqa: E501
-    if request.is_json:
-        service_kpis = ServiceKpis.from_dict(request.get_json()())  # noqa: E501
+
     current_app.logger.info("Discovering service apis")
 
     query_params = {"api_name": api_name, "api_version": api_version, "comm_type": comm_type,
diff --git a/services/TS29222_CAPIF_Discover_Service_API/service_apis/openapi/openapi.yaml b/services/TS29222_CAPIF_Discover_Service_API/service_apis/openapi/openapi.yaml
index f1304c275fc8ddd3acf066d1a503040d33deaee2..c0c2608827529438b279e370570467dbc75aa6c3 100644
--- a/services/TS29222_CAPIF_Discover_Service_API/service_apis/openapi/openapi.yaml
+++ b/services/TS29222_CAPIF_Discover_Service_API/service_apis/openapi/openapi.yaml
@@ -1183,6 +1183,7 @@ components:
           type: string
       type: object
     CommunicationType:
+      type: string
       anyOf:
       - enum:
         - REQUEST_RESPONSE
@@ -1197,6 +1198,7 @@ components:
         \ type subscribe-notify.\n"
       title: CommunicationType
     Protocol:
+      type: string
       anyOf:
       - enum:
         - HTTP_1_1
@@ -1214,6 +1216,7 @@ components:
         \ Indicates that the protocol is Websocket.\n"
       title: Protocol
     DataFormat:
+      type: string
       anyOf:
       - enum:
         - JSON