diff --git a/.well-known/ai-plugin.json b/.well-known/ai-plugin.json
index a62ffba..057ce90 100644
--- a/.well-known/ai-plugin.json
+++ b/.well-known/ai-plugin.json
@@ -3,7 +3,7 @@
   "name_for_human": "E2B code interpreter",
   "name_for_model": "e2bcodeintepreter",
   "description_for_human": "Sandboxed cloud environment where you can run any process, use filesystem and access the internet",
-  "description_for_model": "Plugin for writting and reading files and running processes in a cloud environment.",
+  "description_for_model": "Plugin for writing and reading files and running processes with access to the internet in a cloud environment.",
   "auth": {
     "type": "none"
   },
diff --git a/README.md b/README.md
index 1f799b1..ee9d209 100644
--- a/README.md
+++ b/README.md
@@ -77,10 +77,12 @@ To install the required packages for this plugin, run the following command:
 npm install
 ```
 
-To run the plugin, enter the following command:
+To run the plugin, you will need **API Key**. Click [here](https://e2b.dev/docs?reason=sdk-missing-api-key) to get your API key.
+
+Then enter the following command:
 
 ```bash
-npm run dev
+E2B_API_KEY=*** npm run dev
 ```
 
 Once the local server is running:
diff --git a/src/index.ts b/src/index.ts
index f4a5d39..a170a75 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -15,6 +15,9 @@ import { readFileSync } from 'fs'
 import { RegisterRoutes } from './generated/routes'
 import { defaultPort } from './constants'
 
+const apiKey = process.env.E2B_API_KEY
+if (!apiKey) throw new Error('E2B_API_KEY is not set. Please visit https://e2b.dev/docs?reason=sdk-missing-api-key to get your API key.')
+
 export const app = express()
 
 app.use(
diff --git a/src/sessions/session.ts b/src/sessions/session.ts
index 8fbd761..7d3a6c6 100644
--- a/src/sessions/session.ts
+++ b/src/sessions/session.ts
@@ -38,6 +38,7 @@ export class CachedSession {
   constructor(envID: string) {
     this.session = new Session({
       id: envID,
+      apiKey: process.env.E2B_API_KEY,
       onClose: () => {
         this.delete()
       },