diff --git a/node/coinstacks/arbitrum/api/src/controller.ts b/node/coinstacks/arbitrum/api/src/controller.ts
index 35031fec9..526cddd9e 100644
--- a/node/coinstacks/arbitrum/api/src/controller.ts
+++ b/node/coinstacks/arbitrum/api/src/controller.ts
@@ -31,7 +31,7 @@ const rpcUrl = `${RPC_URL}/${RPC_API_KEY}`
 const client = createPublicClient({ chain: arbitrum, transport: http(rpcUrl) })
 const infuraClient = createPublicClient({
   chain: arbitrum,
-  transport: http(`https://arbitrum-mainnet.infura.io/v3/${INFURA_API_KEY}`),
+  transport: http(`https://arb-mainnet.g.alchemy.com/v2/${INFURA_API_KEY}`),
 })
 
 export const service = new MoralisService({ chain: EvmChain.ARBITRUM, logger, client, rpcUrl })
diff --git a/node/coinstacks/arbitrum/sample.env b/node/coinstacks/arbitrum/sample.env
index 79285d915..7f993c4c7 100644
--- a/node/coinstacks/arbitrum/sample.env
+++ b/node/coinstacks/arbitrum/sample.env
@@ -1,6 +1,6 @@
 # SECRET ENVIRONMENT VARIABLES
+ALCHEMY_API_KEY=
 BLOCKNATIVE_API_KEY=
-INFURA_API_KEY=
 INDEXER_API_KEY=
 RPC_API_KEY=