diff --git a/web/src/lib/api/client.ts b/web/src/lib/api/client.ts
new file mode 100644
index 00000000..5c8c09a8
--- /dev/null
+++ b/web/src/lib/api/client.ts
@@ -0,0 +1,16 @@
+export type ApiError = {
+  code: string;
+  message: string;
+  status: number;
+};
+
+export type User = {
+  id: string;
+  username: string;
+  is_admin: boolean;
+};
+
+export type LoginResponse = {
+  token: string;
+  user: User;
+};