diff --git a/back/src/Kyoo.Abstractions/Models/Resources/JwtToken.cs b/back/src/Kyoo.Abstractions/Models/Resources/JwtToken.cs
new file mode 100644
index 00000000..aa0c5e45
--- /dev/null
+++ b/back/src/Kyoo.Abstractions/Models/Resources/JwtToken.cs
@@ -0,0 +1,71 @@
+// Kyoo - A portable and vast media library solution.
+// Copyright (c) Kyoo.
+//
+// See AUTHORS.md and LICENSE file in the project root for full license information.
+//
+// Kyoo is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// any later version.
+//
+// Kyoo is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
+
+using System;
+using System.Text.Json.Serialization;
+using Newtonsoft.Json;
+
+namespace Kyoo.Abstractions.Models;
+
+/// <summary>
+/// A container representing the response of a login or token refresh.
+/// </summary>
+/// <remarks>
+/// Initializes a new instance of the <see cref="JwtToken"/> class.
+/// </remarks>
+/// <param name="accessToken">The access token used to authorize requests.</param>
+/// <param name="refreshToken">The refresh token to retrieve a new access token.</param>
+/// <param name="expireIn">When the access token will expire.</param>
+public class JwtToken(string accessToken, string refreshToken, TimeSpan expireIn)
+{
+	/// <summary>
+	/// The type of this token (always a Bearer).
+	/// </summary>
+	[JsonProperty("token_type")]
+	[JsonPropertyName("token_type")]
+	public string TokenType => "Bearer";
+
+	/// <summary>
+	/// The access token used to authorize requests.
+	/// </summary>
+	[JsonProperty("access_token")]
+	[JsonPropertyName("access_token")]
+	public string AccessToken { get; set; } = accessToken;
+
+	/// <summary>
+	/// The refresh token used to retrieve a new access/refresh token when the access token has expired.
+	/// </summary>
+	[JsonProperty("refresh_token")]
+	[JsonPropertyName("refresh_token")]
+	public string RefreshToken { get; set; } = refreshToken;
+
+	/// <summary>
+	/// When the access token will expire. After this time, the refresh token should be used to retrieve.
+	/// a new token.cs
+	/// </summary>
+	[JsonProperty("expire_in")]
+	[JsonPropertyName("expire_in")]
+	public TimeSpan ExpireIn { get; set; } = expireIn;
+
+	/// <summary>
+	/// The exact date at which the access token will expire.
+	/// </summary>
+	[JsonProperty("expire_at")]
+	[JsonPropertyName("expire_at")]
+	public DateTime ExpireAt { get; set; } = DateTime.UtcNow + expireIn;
+}
diff --git a/back/src/Kyoo.Abstractions/Models/Resources/User.cs b/back/src/Kyoo.Abstractions/Models/Resources/User.cs
index 6ad3d7db..4c0a6a09 100644
--- a/back/src/Kyoo.Abstractions/Models/Resources/User.cs
+++ b/back/src/Kyoo.Abstractions/Models/Resources/User.cs
@@ -69,6 +69,11 @@ namespace Kyoo.Abstractions.Models
 		/// </summary>
 		public Dictionary<string, string> Settings { get; set; } = new();
 
+		/// <summary>
+		/// User accounts on other services.
+		/// </summary>
+		public Dictionary<string, ExternalToken> ExternalId { get; set; } = new();
+
 		public User() { }
 
 		[JsonConstructor]
@@ -81,4 +86,23 @@ namespace Kyoo.Abstractions.Models
 			}
 		}
 	}
+
+	public class ExternalToken
+	{
+		/// <summary>
+		/// The id of this user on the external service.
+		/// </summary>
+		public string Id { get; set; }
+
+		/// <summary>
+		/// A jwt token used to interact with the service.
+		/// Do not forget to refresh it when using it if necessary.
+		/// </summary>
+		public JwtToken Token { get; set; }
+
+		/// <summary>
+		/// The link to the user profile on this website. Null if it does not exist.
+		/// </summary>
+		public string? ProfileUrl { get; set; }
+	}
 }
diff --git a/back/src/Kyoo.Authentication/Models/JwtToken.cs b/back/src/Kyoo.Authentication/Models/JwtToken.cs
deleted file mode 100644
index c866353a..00000000
--- a/back/src/Kyoo.Authentication/Models/JwtToken.cs
+++ /dev/null
@@ -1,80 +0,0 @@
-// Kyoo - A portable and vast media library solution.
-// Copyright (c) Kyoo.
-//
-// See AUTHORS.md and LICENSE file in the project root for full license information.
-//
-// Kyoo is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// any later version.
-//
-// Kyoo is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
-
-using System;
-using System.Text.Json.Serialization;
-using Newtonsoft.Json;
-
-namespace Kyoo.Authentication
-{
-	/// <summary>
-	/// A container representing the response of a login or token refresh.
-	/// </summary>
-	public class JwtToken
-	{
-		/// <summary>
-		/// The type of this token (always a Bearer).
-		/// </summary>
-		[JsonProperty("token_type")]
-		[JsonPropertyName("token_type")]
-		public string TokenType => "Bearer";
-
-		/// <summary>
-		/// The access token used to authorize requests.
-		/// </summary>
-		[JsonProperty("access_token")]
-		[JsonPropertyName("access_token")]
-		public string AccessToken { get; set; }
-
-		/// <summary>
-		/// The refresh token used to retrieve a new access/refresh token when the access token has expired.
-		/// </summary>
-		[JsonProperty("refresh_token")]
-		[JsonPropertyName("refresh_token")]
-		public string RefreshToken { get; set; }
-
-		/// <summary>
-		/// When the access token will expire. After this time, the refresh token should be used to retrieve.
-		/// a new token.cs
-		/// </summary>
-		[JsonProperty("expire_in")]
-		[JsonPropertyName("expire_in")]
-		public TimeSpan ExpireIn { get; set; }
-
-		/// <summary>
-		/// The exact date at which the access token will expire.
-		/// </summary>
-		[JsonProperty("expire_at")]
-		[JsonPropertyName("expire_at")]
-		public DateTime ExpireAt { get; set; }
-
-		/// <summary>
-		/// Initializes a new instance of the <see cref="JwtToken"/> class.
-		/// </summary>
-		/// <param name="accessToken">The access token used to authorize requests.</param>
-		/// <param name="refreshToken">The refresh token to retrieve a new access token.</param>
-		/// <param name="expireIn">When the access token will expire.</param>
-		public JwtToken(string accessToken, string refreshToken, TimeSpan expireIn)
-		{
-			AccessToken = accessToken;
-			RefreshToken = refreshToken;
-			ExpireIn = expireIn;
-			ExpireAt = DateTime.UtcNow + expireIn;
-		}
-	}
-}