diff --git a/typescript/examples/langchain/viem/.env.template b/typescript/examples/langchain/viem/.env.template
index ee55c710f..1b706a52b 100644
--- a/typescript/examples/langchain/viem/.env.template
+++ b/typescript/examples/langchain/viem/.env.template
@@ -1,3 +1,3 @@
 OPENAI_API_KEY=
 WALLET_PRIVATE_KEY=
-ALCHEMY_API_KEY=
+RPC_PROVIDER_URL=
diff --git a/typescript/examples/langchain/viem/index.ts b/typescript/examples/langchain/viem/index.ts
index 6c556a496..99044816f 100644
--- a/typescript/examples/langchain/viem/index.ts
+++ b/typescript/examples/langchain/viem/index.ts
@@ -20,7 +20,7 @@ const account = privateKeyToAccount(process.env.WALLET_PRIVATE_KEY as `0x${strin
 
 const walletClient = createWalletClient({
     account: account,
-    transport: http(process.env.ALCHEMY_API_KEY),
+    transport: http(process.env.RPC_PROVIDER_URL),
     chain: sepolia,
 });
 
diff --git a/typescript/examples/vercel-ai/coingecko/.env.template b/typescript/examples/vercel-ai/coingecko/.env.template
index 089112b65..03da013c7 100644
--- a/typescript/examples/vercel-ai/coingecko/.env.template
+++ b/typescript/examples/vercel-ai/coingecko/.env.template
@@ -1,4 +1,4 @@
 OPENAI_API_KEY=
 WALLET_PRIVATE_KEY=
-ALCHEMY_API_KEY=
+RPC_PROVIDER_URL=
 COINGECKO_API_KEY=
\ No newline at end of file
diff --git a/typescript/examples/vercel-ai/coingecko/index.ts b/typescript/examples/vercel-ai/coingecko/index.ts
index 7b198ee72..0a524e4e7 100644
--- a/typescript/examples/vercel-ai/coingecko/index.ts
+++ b/typescript/examples/vercel-ai/coingecko/index.ts
@@ -21,7 +21,7 @@ const account = privateKeyToAccount(
 
 const walletClient = createWalletClient({
 	account: account,
-	transport: http(process.env.ALCHEMY_API_KEY),
+	transport: http(process.env.RPC_PROVIDER_URL),
 	chain: sepolia,
 });
 
diff --git a/typescript/examples/vercel-ai/polymarket/.env.template b/typescript/examples/vercel-ai/polymarket/.env.template
index 66f8b44c2..526f6090b 100644
--- a/typescript/examples/vercel-ai/polymarket/.env.template
+++ b/typescript/examples/vercel-ai/polymarket/.env.template
@@ -1,6 +1,6 @@
 OPENAI_API_KEY=
 WALLET_PRIVATE_KEY=
-ALCHEMY_API_KEY=
+RPC_PROVIDER_URL=
 
 # Polymarket (get an API key by running the `pnpm create-api-key` command)
 POLYMARKET_API_KEY=
diff --git a/typescript/examples/vercel-ai/polymarket/index.ts b/typescript/examples/vercel-ai/polymarket/index.ts
index 9b59dac26..2b03430cc 100644
--- a/typescript/examples/vercel-ai/polymarket/index.ts
+++ b/typescript/examples/vercel-ai/polymarket/index.ts
@@ -16,7 +16,7 @@ const account = privateKeyToAccount(process.env.WALLET_PRIVATE_KEY as `0x${strin
 
 const walletClient = createWalletClient({
     account: account,
-    transport: http(process.env.ALCHEMY_API_KEY),
+    transport: http(process.env.RPC_PROVIDER_URL),
     chain: polygon,
 });
 
diff --git a/typescript/examples/vercel-ai/viem/.env.template b/typescript/examples/vercel-ai/viem/.env.template
index 4d188159c..4ea3f61dd 100644
--- a/typescript/examples/vercel-ai/viem/.env.template
+++ b/typescript/examples/vercel-ai/viem/.env.template
@@ -1,3 +1,3 @@
 OPENAI_API_KEY=
 WALLET_PRIVATE_KEY=
-ALCHEMY_API_KEY=
\ No newline at end of file
+RPC_PROVIDER_URL=
\ No newline at end of file
diff --git a/typescript/examples/vercel-ai/viem/index.ts b/typescript/examples/vercel-ai/viem/index.ts
index 7a6497c4a..96c9237ce 100644
--- a/typescript/examples/vercel-ai/viem/index.ts
+++ b/typescript/examples/vercel-ai/viem/index.ts
@@ -18,7 +18,7 @@ const account = privateKeyToAccount(process.env.WALLET_PRIVATE_KEY as `0x${strin
 
 const walletClient = createWalletClient({
     account: account,
-    transport: http(process.env.ALCHEMY_API_KEY),
+    transport: http(process.env.RPC_PROVIDER_URL),
     chain: sepolia,
 });