diff --git a/README.md b/README.md
index 114382f..bbd7ce3 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ A Model Context Protocol (MCP) server implementation that integrates with [Vecto
 
 ```bash
 export VECTORIZE_ORG_ID=YOUR_ORG_ID
-export VECTORIZE_API_KEY=YOUR_API_KEY
+export VECTORIZE_TOKEN=YOUR_TOKEN
 npx -y @vectorize-io/vectorize-mcp-server
 ```
 
@@ -24,7 +24,7 @@ npx -y @vectorize-io/vectorize-mcp-server
       "args": ["-y", "@vectorize-io/vectorize-mcp-server"],
       "env": {
         "VECTORIZE_ORG_ID": "your-org-id",
-        "VECTORIZE_API_KEY": "your-api-key"
+        "VECTORIZE_TOKEN": "your-token"
       }
     }
   }
@@ -90,4 +90,4 @@ npm run build
 
 1. Fork the repository
 2. Create your feature branch
-3. Submit a pull request
\ No newline at end of file
+3. Submit a pull request
diff --git a/src/index.ts b/src/index.ts
index 86dfbe2..76fabd9 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -96,16 +96,16 @@ const server = new Server(
 
 // Get optional API URL
 const VECTORIZE_ORG_ID = process.env.VECTORIZE_ORG_ID;
-const VECTORIZE_API_KEY = process.env.VECTORIZE_API_KEY;
+const VECTORIZE_TOKEN = process.env.VECTORIZE_TOKEN;
 // Check if API key is required (only for cloud service)
-if (!VECTORIZE_ORG_ID || !VECTORIZE_API_KEY) {
+if (!VECTORIZE_ORG_ID || !VECTORIZE_TOKEN) {
   console.error(
-    'Error: VECTORIZE_API_KEY and VECTORIZE_ORG_ID environment variable are required'
+    'Error: VECTORIZE_TOKEN and VECTORIZE_ORG_ID environment variable are required'
   );
   process.exit(1);
 }
 const vectorizeApi = new Configuration({
-  accessToken: VECTORIZE_API_KEY,
+  accessToken: VECTORIZE_TOKEN,
 });
 
 server.setRequestHandler(ListToolsRequestSchema, async () => ({