diff --git a/types.ts b/types.ts
new file mode 100644
index 0000000..c3869b8
--- /dev/null
+++ b/types.ts
@@ -0,0 +1,13 @@
+// Data structure for successful responses
+export interface SuccessResponse<T> {
+    success: true;
+    data: T;
+}
+
+// Data structure for error responses
+export interface ErrorResponse {
+    success: false;
+    error: string;
+}
+
+export type ApiResponse<T> = SuccessResponse<T> | ErrorResponse;