diff --git a/cSpell.json b/cSpell.json
index 649de9522a29..de22ba032da7 100644
--- a/cSpell.json
+++ b/cSpell.json
@@ -825,6 +825,12 @@
                 "Guage"
             ]
         },
+        {
+            "filename": "**/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/confluent.json",
+            "words": [
+                "orgvalidate"
+            ]
+        },
         {
             "filename": "**/specification/recoveryservicessiterecovery/resource-manager/Microsoft.RecoveryServices/stable/2021-02-10/service.json",
             "words": [
diff --git a/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/confluent.json b/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/confluent.json
index 1b757cc1367e..4d5f7093dada 100644
--- a/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/confluent.json
+++ b/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/confluent.json
@@ -463,6 +463,63 @@
           }
         }
       }
+    },
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Confluent/validations/{organizationName}/orgvalidate": {
+      "post": {
+        "tags": [
+          "Validations"
+        ],
+        "summary": "Organization Validate proxy resource",
+        "operationId": "Validations_ValidateOrganization",
+        "consumes": [
+          "application/json"
+        ],
+        "produces": [
+          "application/json"
+        ],
+        "parameters": [
+          {
+            "$ref": "#/parameters/ApiVersionParameter"
+          },
+          {
+            "$ref": "#/parameters/SubscriptionIdParameter"
+          },
+          {
+            "$ref": "#/parameters/ResourceGroupParameter"
+          },
+          {
+            "$ref": "#/parameters/OrganizationResourceNameParameter"
+          },
+          {
+            "in": "body",
+            "name": "body",
+            "required": true,
+            "description": "Organization resource model",
+            "schema": {
+              "$ref": "#/definitions/OrganizationResource"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "Success",
+            "schema": {
+              "$ref": "#/definitions/OrganizationResource"
+            }
+          },
+          "default": {
+            "description": "Default error response.",
+            "schema": {
+              "$ref": "#/definitions/ResourceProviderDefaultErrorResponse"
+            }
+          }
+        },
+        "x-ms-examples": {
+          "Validations_ValidateOrganizations": {
+            "$ref": "./examples/Validations_ValidateOrganizations.json"
+          }
+        }
+      }
     }
   },
   "definitions": {
@@ -740,8 +797,6 @@
       "description": "Subscriber detail",
       "type": "object",
       "required": [
-        "firstName",
-        "lastName",
         "emailAddress"
       ],
       "properties": {
diff --git a/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/examples/Validations_ValidateOrganizations.json b/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/examples/Validations_ValidateOrganizations.json
new file mode 100644
index 000000000000..5a5fe44f966d
--- /dev/null
+++ b/specification/confluent/resource-manager/Microsoft.Confluent/preview/2021-03-01-preview/examples/Validations_ValidateOrganizations.json
@@ -0,0 +1,60 @@
+{
+  "parameters": {
+    "api-version": "2021-03-01-preview",
+    "subscriptionId": "00000000-0000-0000-0000-000000000000",
+    "resourceGroupName": "myResourceGroup",
+    "organizationName": "myOrganization",
+    "body": {
+      "properties": {
+        "offerDetail": {
+          "publisherId": "string",
+          "id": "string",
+          "planId": "string",
+          "planName": "string",
+          "termUnit": "string"
+        },
+        "userDetail": {
+          "firstName": "string",
+          "lastName": "string",
+          "emailAddress": "abc@microsoft.com"
+        }
+      },
+      "tags": {
+        "Environment": "Dev"
+      },
+      "location": "West US"
+    }
+  },
+  "responses": {
+    "200": {
+      "body": {
+        "id": "/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/myResourceGroup/providers/Microsoft.Confluent/organizations/myOrganization",
+        "name": "myOrganization",
+        "type": "Microsoft.Confluent/organizations",
+        "properties": {
+          "createdTime": "2020-05-09T14:28:47.284Z",
+          "provisioningState": "Succeeded",
+          "organizationId": "string",
+          "ssoUrl": "string",
+          "offerDetail": {
+            "publisherId": "string",
+            "id": "string",
+            "planId": "string",
+            "planName": "string",
+            "termUnit": "string",
+            "status": "Started"
+          },
+          "userDetail": {
+            "firstName": "string",
+            "lastName": "string",
+            "emailAddress": "abc@microsoft.com"
+          }
+        },
+        "tags": {
+          "Environment": "Dev"
+        },
+        "location": "West US"
+      }
+    }
+  }
+}