Changes

api/Requests/SubscribeRequest.cs

@@ -0,0 +1,15 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Api.Requests
+{
+    public sealed class SubscribeRequest
+    {
+
+        [Required, EmailAddress, StringLength(200)]
+        public string Email { get; set; } = "";
+
+        // Token returned by the captcha widget
+        [Required]
+        public string CaptchaToken { get; set; } = "";
+    }
+}