diff --git a/src/MercadoPago/Client/Payment/PaymentAuthenticationRequest.cs b/src/MercadoPago/Client/Payment/PaymentAuthenticationRequest.cs
new file mode 100644
index 0000000..18cc3f6
--- /dev/null
+++ b/src/MercadoPago/Client/Payment/PaymentAuthenticationRequest.cs
@@ -0,0 +1,50 @@
+using System;
+namespace MercadoPago.Client.Payment
+{
+    /// <summary>
+    /// Data used to exchange 3DS authentication information verified by a third party.
+    /// </summary>
+    public class PaymentAuthenticationRequest
+    {
+        /// <summary>
+        /// Type.
+        /// </summary>
+        public string Type { get; set; }
+
+        /// <summary>
+        /// Cryptogram.
+        /// </summary>
+        public string Cryptogram { get; set; }
+
+        /// <summary>
+        /// 3DS Server Trans ID.
+        /// </summary>
+        public string ThreeDsServerTransId { get; set; }
+
+        /// <summary>
+        /// ECI.
+        /// </summary>
+        public string Eci { get; set; }
+
+        /// <summary>
+        /// 3DS Trans ID.
+        /// </summary>
+        public string DsTransId { get; set; }
+
+        /// <summary>
+        /// ACS Trans ID.
+        /// </summary>
+        public string AcsTransId { get; set; }
+
+        /// <summary>
+        /// 3DS Version.
+        /// </summary>
+        public string ThreeDsVersion { get; set; }
+
+        /// <summary>
+        /// Authentication Status.
+        /// </summary>
+        public string AuthenticationStatus { get; set; }
+    }
+}
+
diff --git a/src/MercadoPago/Client/Payment/PaymentDataRequest.cs b/src/MercadoPago/Client/Payment/PaymentDataRequest.cs
index 18e73d6..b503065 100644
--- a/src/MercadoPago/Client/Payment/PaymentDataRequest.cs
+++ b/src/MercadoPago/Client/Payment/PaymentDataRequest.cs
@@ -12,5 +12,10 @@ public class PaymentDataRequest
         /// Payment rules.
         /// </summary>
         public PaymentRulesRequest Rules { get; set; }
+
+        /// <summary>
+        /// Authentication.
+        /// </summary>
+        public PaymentAuthenticationRequest authentication { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/MercadoPago/Client/Payment/PaymentMethodRequest.cs b/src/MercadoPago/Client/Payment/PaymentMethodRequest.cs
index 3153c53..7ce880e 100644
--- a/src/MercadoPago/Client/Payment/PaymentMethodRequest.cs
+++ b/src/MercadoPago/Client/Payment/PaymentMethodRequest.cs
@@ -12,5 +12,10 @@ public class PaymentMethodRequest
         /// Payment data.
         /// </summary>
         public PaymentDataRequest Data { get; set; }
+
+        /// <summary>
+        /// Type.
+        /// </summary>
+        public string Type { get; set; }
     }
 }
\ No newline at end of file