diff --git a/Gotrue/Api.cs b/Gotrue/Api.cs
index a971eca..33adf17 100644
--- a/Gotrue/Api.cs
+++ b/Gotrue/Api.cs
@@ -89,10 +89,19 @@ public Task<Session> SignInWithEmail(string email, string password)
         /// Sends a magic login link to an email address.
         /// </summary>
         /// <param name="email"></param>
+        /// <param name="options"></param>
         /// <returns></returns>
-        public Task<BaseResponse> SendMagicLinkEmail(string email)
+        public Task<BaseResponse> SendMagicLinkEmail(string email, SignInOptions options = null)
         {
             var data = new Dictionary<string, string> { { "email", email } };
+            if (options != null)
+            {
+                if (!string.IsNullOrEmpty(options.RedirectTo))
+                {
+                    data.Add("redirect_to", options.RedirectTo);
+                }
+            }
+
             return Helpers.MakeRequest(HttpMethod.Post, $"{Url}/magiclink", data, Headers);
         }
 
@@ -377,16 +386,22 @@ public Task<Session> RefreshAccessToken(string refreshToken)
     /// <summary>
     /// Options used for signing up a user.
     /// </summary>
-    public class SignUpOptions
+    public class SignUpOptions : SignInOptions
     {
         /// <summary>
-        /// A URL or mobile address to send the user to after they are confirmed.
+        /// Optional user metadata.
         /// </summary>
-        public string RedirectTo { get; set; }
+        public Dictionary<string, object> Data { get; set; }
+    }
 
+    // <summary>
+    /// Options used for signing in a user.
+    /// </summary>
+    public class SignInOptions
+    {
         /// <summary>
-        /// Optional user metadata.
+        /// A URL or mobile address to send the user to after they are confirmed.
         /// </summary>
-        public Dictionary<string, object> Data { get; set; }
+        public string RedirectTo { get; set; }
     }
 }
diff --git a/Gotrue/Client.cs b/Gotrue/Client.cs
index ab1f68e..5328bc2 100644
--- a/Gotrue/Client.cs
+++ b/Gotrue/Client.cs
@@ -258,14 +258,15 @@ public async Task<Session> SignUp(SignUpType type, string identifier, string pas
         /// Sends a Magic email login link to the specified email.
         /// </summary>
         /// <param name="email"></param>
+        /// <param name="options"></param>
         /// <returns></returns>
-        public async Task<bool> SignIn(string email)
+        public async Task<bool> SignIn(string email, SignInOptions options = null)
         {
             await DestroySession();
 
             try
             {
-                await api.SendMagicLinkEmail(email);
+                await api.SendMagicLinkEmail(email, options);
                 return true;
             }
             catch (RequestException ex)
diff --git a/Gotrue/StatelessClient.cs b/Gotrue/StatelessClient.cs
index 7929e17..f9ad6b9 100644
--- a/Gotrue/StatelessClient.cs
+++ b/Gotrue/StatelessClient.cs
@@ -75,12 +75,14 @@ public static async Task<Session> SignUp(SignUpType type, string identifier, str
         /// Sends a Magic email login link to the specified email.
         /// </summary>
         /// <param name="email"></param>
+        /// <param name="options"></param>
+        /// <param name="signInOptions"></param>
         /// <returns></returns>
-        public static async Task<bool> SignIn(string email, StatelessClientOptions options)
+        public static async Task<bool> SignIn(string email, StatelessClientOptions options, SignInOptions signInOptions = null)
         {
             try
             {
-                await GetApi(options).SendMagicLinkEmail(email);
+                await GetApi(options).SendMagicLinkEmail(email, signInOptions);
                 return true;
             }
             catch (RequestException ex)
diff --git a/GotrueTests/StatelessClient.cs b/GotrueTests/StatelessClient.cs
index e638a63..ae6cd37 100644
--- a/GotrueTests/StatelessClient.cs
+++ b/GotrueTests/StatelessClient.cs
@@ -154,21 +154,29 @@ public async Task SignsOut()
         [TestMethod("StatelessClient: Sends Magic Login Email")]
         public async Task SendsMagicLoginEmail()
         {
-            var user = $"{RandomString(12)}@supabase.io";
-            await SignUp(user, password, options);
+            var user1 = $"{RandomString(12)}@supabase.io";
+            await SignUp(user1, password, options);
 
-            var result = await SignIn(user, options);
-            Assert.IsTrue(result);
+            var result1 = await SignIn(user1, options);
+            Assert.IsTrue(result1);
+
+            var user2 = $"{RandomString(12)}@supabase.io";
+            var result2 = await SignIn(user2, options, new SignInOptions { RedirectTo = $"com.{RandomString(12)}.deeplink://login" });
+            Assert.IsTrue(result2);
         }
 
         [TestMethod("StatelessClient: Sends Magic Login Email (Alias)")]
         public async Task SendsMagicLoginEmailAlias()
         {
-            var user = $"{RandomString(12)}@supabase.io";
-            await SignUp(user, password, options);
+            var user1 = $"{RandomString(12)}@supabase.io";
+            await SignUp(user1, password, options);
 
-            var result = await SendMagicLink(user, options);
-            Assert.IsTrue(result);
+            var result1 = await SignIn(user1, options);
+            Assert.IsTrue(result1);
+
+            var user2 = $"{RandomString(12)}@supabase.io";
+            var result2 = await SignIn(user2, options, new SignInOptions { RedirectTo = $"com.{RandomString(12)}.deeplink://login" });
+            Assert.IsTrue(result2);
         }
 
         [TestMethod("StatelessClient: Returns Auth Url for Provider")]