diff --git a/EI-IICS-Team/SSN_POC/POST_cert.json b/EI-IICS-Team/SSN_POC/POST_cert.json
index 079356052c266984dbe5c75a15779b06c723a068..6e3ec1384f2269fd72d4d644a70ff46c9fa9e372 100644
--- a/EI-IICS-Team/SSN_POC/POST_cert.json
+++ b/EI-IICS-Team/SSN_POC/POST_cert.json
@@ -18,9 +18,21 @@
         "summary" : null,
         "description" : null,
         "operationId" : "POST_cert",
-        "produces" : [ "application/vnd.api+json" ],
-        "consumes" : [ "application/vnd.api+json" ],
-        "parameters" : [ ],
+        "produces" : [ "application/json" ],
+        "consumes" : [ "application/json" ],
+        "parameters" : [ {
+          "name" : "payloadFromFile",
+          "in" : "body",
+          "description" : "null",
+          "required" : "false",
+          "type" : "string",
+          "data" : {
+            "type" : "certificates",
+            "attributes" : {
+              "certificate" : "payloadFromFile"
+    }
+  }
+} ],
         "responses" : {
           "200" : {
             "description" : "successful operation",