diff --git a/packages/nextjs/.env.example b/packages/nextjs/.env.example
index 1d5ae40f..a81d3b0c 100644
--- a/packages/nextjs/.env.example
+++ b/packages/nextjs/.env.example
@@ -16,6 +16,7 @@ NEXT_PUBLIC_POLYGON_ETHERSCAN_API_KEY=
 NEXT_PUBLIC_ARBITRUM_ETHERSCAN_API_KEY=
 NEXT_PUBLIC_SCROLL_ETHERSCAN_API_KEY=
 NEXT_PUBLIC_BASE_ETHERSCAN_API_KEY=
+NEXT_PUBLIC_HEIMDALL_URL=
 
 NEXT_PUBLIC_ALCHEMY_API_KEY=
 NEXT_PUBLIC_WALLET_CONNECT_PROJECT_ID=
diff --git a/packages/nextjs/pages/index.tsx b/packages/nextjs/pages/index.tsx
index f1aa6845..6bb9186a 100644
--- a/packages/nextjs/pages/index.tsx
+++ b/packages/nextjs/pages/index.tsx
@@ -133,7 +133,7 @@ const Home: NextPage = () => {
   const fetchAbiFromHeimdall = async (contractAddress: string) => {
     setIsFetchingAbi(true);
     try {
-      const response = await fetch(`https://heimdall-api.fly.dev/${network}/${contractAddress}`);
+      const response = await fetch(`https://${process.env.NEXT_PUBLIC_HEIMDALL_URL}/${network}/${contractAddress}`);
       const abi = await response.json();
       if (abi.length === 0) {
         notification.error("Failed to fetch ABI from Heimdall. Please try again or enter ABI manually.");