diff --git a/src-tauri/src/commands/account.rs b/src-tauri/src/commands/account.rs
new file mode 100644
index 0000000..2b733d6
--- /dev/null
+++ b/src-tauri/src/commands/account.rs
@@ -0,0 +1,34 @@
+#[tauri::command]
+pub async fn get_account(
+    id: i64,
+    services: tauri::State<'_, crate::services::AppState>,
+) -> Result<Option<crate::services::accounts::Account>, String> {
+    let accounts_service = &services.accounts;
+    accounts_service
+        .get_account(&id)
+        .await
+        .map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub async fn get_accounts(
+    services: tauri::State<'_, crate::services::AppState>,
+) -> Result<Vec<crate::services::accounts::Account>, String> {
+    let accounts_service = &services.accounts;
+    accounts_service
+        .get_accounts()
+        .await
+        .map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub async fn create_account(
+    request: crate::services::accounts::CreateAccountRequest,
+    services: tauri::State<'_, crate::services::AppState>,
+) -> Result<i64, String> {
+    let accounts_service = &services.accounts;
+    accounts_service
+        .create_account(request)
+        .await
+        .map_err(|e| e.to_string())
+}
diff --git a/src-tauri/src/commands/mod.rs b/src-tauri/src/commands/mod.rs
new file mode 100644
index 0000000..b1a2bf2
--- /dev/null
+++ b/src-tauri/src/commands/mod.rs
@@ -0,0 +1,5 @@
+mod account;
+mod transactions;
+
+pub use account::*;
+pub use transactions::*;
diff --git a/src-tauri/src/commands/transactions.rs b/src-tauri/src/commands/transactions.rs
new file mode 100644
index 0000000..6241d19
--- /dev/null
+++ b/src-tauri/src/commands/transactions.rs
@@ -0,0 +1,36 @@
+#[tauri::command]
+pub async fn get_transactions_for_account(
+    id: i64,
+    services: tauri::State<'_, crate::services::AppState>,
+) -> Result<Vec<crate::services::transaction::Transaction>, String> {
+    let transaction_service = &services.transaction;
+    transaction_service
+        .get_transactions_by_account(id)
+        .await
+        .map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub async fn create_transaction(
+    request: crate::services::transaction::CreateTransactionRequest,
+    services: tauri::State<'_, crate::services::AppState>,
+) -> Result<i64, String> {
+    let transaction_service = &services.transaction;
+    transaction_service
+        .create_transaction(request)
+        .await
+        .map_err(|e| e.to_string())
+}
+
+#[tauri::command]
+pub async fn update_transaction(
+    id: i64,
+    request: crate::services::transaction::UpdateTransactionRequest,
+    services: tauri::State<'_, crate::services::AppState>,
+) -> Result<(), String> {
+    let transaction_service = &services.transaction;
+    transaction_service
+        .update_transaction(id, request)
+        .await
+        .map_err(|e| e.to_string())
+}
diff --git a/src-tauri/tauri.conf.json b/src-tauri/tauri.conf.json
index ac260dd..2e61767 100644
--- a/src-tauri/tauri.conf.json
+++ b/src-tauri/tauri.conf.json
@@ -13,8 +13,8 @@
     "windows": [
       {
         "title": "otter",
-        "width": 800,
-        "height": 600
+        "width": 390,
+        "height": 760
       }
     ],
     "security": {
@@ -32,4 +32,4 @@
       "icons/icon.ico"
     ]
   }
-}
+}
\ No newline at end of file