diff --git a/migrations/001_initial_schema.sql b/migrations/001_initial_schema.sql
index e2b8af5..2e2da53 100644
--- a/migrations/001_initial_schema.sql
+++ b/migrations/001_initial_schema.sql
@@ -15,6 +15,7 @@ CREATE TABLE IF NOT EXISTS users (
     sub_end BIGINT NOT NULL DEFAULT 0,
     public_key BLOB NOT NULL,
     token BLOB NOT NULL,
+    created_at TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3),
 
     UNIQUE KEY uk_users_username (username),
     KEY idx_users_iota_id (iota_id),
diff --git a/migrations/008_user_created_at.sql b/migrations/008_user_created_at.sql
new file mode 100644
index 0000000..7d2619f
--- /dev/null
+++ b/migrations/008_user_created_at.sql
@@ -0,0 +1,2 @@
+ALTER TABLE users
+    ADD COLUMN created_at TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3);
diff --git a/src/db/user_repo.rs b/src/db/user_repo.rs
index 76b7cdf..950be67 100644
--- a/src/db/user_repo.rs
+++ b/src/db/user_repo.rs
@@ -101,9 +101,9 @@ pub(crate) fn is_duplicate_key(error: &sqlx::Error) -> bool {
     })
 }
 
-const USER_BY_USERNAME_QUERY: &str = "SELECT id, iota_id, username, display, status, presence_preference, about, avatar, sub_level, sub_end, public_key, token FROM users WHERE username = ?";
-const USER_BY_ID_QUERY: &str = "SELECT id, iota_id, username, display, status, presence_preference, about, avatar, sub_level, sub_end, public_key, token FROM users WHERE id = ?";
-const USER_COLUMNS: &str = "SELECT id, iota_id, username, display, status, presence_preference, about, avatar, sub_level, sub_end, public_key, token FROM users";
+const USER_BY_USERNAME_QUERY: &str = "SELECT id, iota_id, username, display, status, presence_preference, about, avatar, sub_level, sub_end, public_key, token, CAST(UNIX_TIMESTAMP(created_at) * 1000 AS SIGNED) AS created_at FROM users WHERE username = ?";
+const USER_BY_ID_QUERY: &str = "SELECT id, iota_id, username, display, status, presence_preference, about, avatar, sub_level, sub_end, public_key, token, CAST(UNIX_TIMESTAMP(created_at) * 1000 AS SIGNED) AS created_at FROM users WHERE id = ?";
+const USER_COLUMNS: &str = "SELECT id, iota_id, username, display, status, presence_preference, about, avatar, sub_level, sub_end, public_key, token, CAST(UNIX_TIMESTAMP(created_at) * 1000 AS SIGNED) AS created_at FROM users";
 
 #[derive(FromRow)]
 struct UserRow {
@@ -119,6 +119,7 @@ struct UserRow {
     sub_end: i64,
     public_key: Vec<u8>,
     token: Vec<u8>,
+    created_at: i64,
 }
 
 impl TryFrom<UserRow> for User {
@@ -142,6 +143,7 @@ impl TryFrom<UserRow> for User {
             sub_end: row.sub_end,
             public_key,
             token: decode(row.token)?,
+            created_at: row.created_at,
         })
     }
 }
diff --git a/src/models/user.rs b/src/models/user.rs
index a9595d9..41d132b 100644
--- a/src/models/user.rs
+++ b/src/models/user.rs
@@ -17,4 +17,5 @@ pub struct User {
     pub public_key: PublicKeyBundle,
     #[serde(skip_serializing)]
     pub token: String,
+    pub created_at: i64,
 }
diff --git a/src/transport/handlers/user_data.rs b/src/transport/handlers/user_data.rs
index 88dbb57..21a607c 100644
--- a/src/transport/handlers/user_data.rs
+++ b/src/transport/handlers/user_data.rs
@@ -64,6 +64,10 @@ pub async fn get_user(
             DataValue::Str(user.public_key.try_to_base64()?),
         )
         .add_typed_default(DataType::UserId, DataValue::SignedNumber(id.into()))
+        .add_typed_default(
+            DataType::CreatedAt,
+            DataValue::SignedNumber(user.created_at.into()),
+        )
         .add_typed_default(DataType::Display, DataValue::Str(display))
         .add_typed_default(
             DataType::SubLevel,