diff --git a/src/utils/validateEnv.ts b/src/utils/validateEnv.ts
new file mode 100644
index 00000000000..74a12e502c2
--- /dev/null
+++ b/src/utils/validateEnv.ts
@@ -0,0 +1,9 @@
+```ts
+const requiredEnvVars = ['NEXT_PUBLIC_API_URL', 'NEXT_PUBLIC_CHAIN_ID'];
+
+export function validateEnv(): void {
+  const missing = requiredEnvVars.filter((key) => !process.env[key]);
+  if (missing.length > 0) {
+    throw new Error(`Missing required environment variables: ${missing.join(', ')}`);
+  }
+}