apikey apis for orgs

src/Core/Models/Api/Request/ApiKeyRequestModel.cs

@@ -0,0 +1,10 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Models.Api
+{
+    public class ApiKeyRequestModel
+    {
+        [Required]
+        public string MasterPasswordHash { get; set; }
+    }
+}

src/Core/Models/Api/Response/ApiKeyResponseModel.cs

@@ -0,0 +1,20 @@
+using System;
+using Bit.Core.Models.Table;
+
+namespace Bit.Core.Models.Api
+{
+    public class ApiKeyResponseModel : ResponseModel
+    {
+        public ApiKeyResponseModel(Organization organization, string obj = "apiKey")
+            : base(obj)
+        {
+            if(organization == null)
+            {
+                throw new ArgumentNullException(nameof(organization));
+            }
+            ApiKey = organization.ApiKey;
+        }
+
+        public string ApiKey { get; set; }
+    }
+}