diff --git a/src/FMBot.Persistence.Domain/Models/Users.cs b/src/FMBot.Persistence.Domain/Models/Users.cs
index 3e2b02d7..3fa1f98d 100644
--- a/src/FMBot.Persistence.Domain/Models/Users.cs
+++ b/src/FMBot.Persistence.Domain/Models/Users.cs
@@ -54,6 +54,10 @@ public class User
     public string TimeZone { get; set; }
     public NumberFormat? NumberFormat { get; set; }
 
+    public string DiscordAccessToken { get; set; }
+    public string DiscordRefreshToken { get; set; }
+    public DateTime? DiscordTokenExpiresAt  { get; set; }
+
     public UserDiscogs UserDiscogs { get; set; }
     public ICollection<UserDiscogsReleases> DiscogsReleases { get; set; }
 
diff --git a/src/Shared.Domain/Protos/user.proto b/src/Shared.Domain/Protos/user.proto
new file mode 100644
index 00000000..7b1b0d92
--- /dev/null
+++ b/src/Shared.Domain/Protos/user.proto
@@ -0,0 +1,22 @@
+syntax = "proto3";
+
+option csharp_namespace = "Web.InternalApi";
+
+import "google/protobuf/timestamp.proto";
+
+package user;
+
+service UserOAuthService {
+  rpc StoreDiscordOAuthToken (StoreDiscordOAuthTokenRequest) returns (StoreDiscordOAuthTokenReply);
+}
+
+message StoreDiscordOAuthTokenRequest {
+  int64 discordUserId = 1;
+  string accessToken = 2;
+  string refreshToken = 3;
+  google.protobuf.Timestamp expiresAt = 4;
+}
+
+message StoreDiscordOAuthTokenReply {
+  bool success = 1;
+}