diff --git a/packages/electron-chrome-web-store/README.md b/packages/electron-chrome-web-store/README.md
index bc29ee4..80224da 100644
--- a/packages/electron-chrome-web-store/README.md
+++ b/packages/electron-chrome-web-store/README.md
@@ -8,24 +8,63 @@ Install and manage Chrome extensions from the Chrome Web Store.
 const { app, BrowserWindow, session } = require('electron')
 const { installChromeWebStore } = require('electron-chrome-web-store')
 
-(async function main() {
+async function main() {
   await app.whenReady()
 
   const browserSession = session.defaultSession
   const browserWindow = new BrowserWindow({
     webPreferences: {
-      session: browserSession
-    }
+      session: browserSession,
+    },
   })
 
   installChromeWebStore({ session: browserSession })
 
   browserWindow.loadURL('https://chromewebstore.google.com/')
-}())
+}
+
+main()
 ```
 
 To enable full support for Chrome extensions in Electron, install [electron-chrome-extensions](https://www.npmjs.com/package/electron-chrome-extensions).
 
+## API
+
+### `installChromeWebStore`
+
+Installs Chrome Web Store support in the specified session.
+
+- `options`: An object with the following properties:
+  - `session`: The Electron session to enable the Chrome Web Store in. Defaults to `session.defaultSession`.
+  - `modulePath`: The path to the 'electron-chrome-web-store' module.
+  - `extensionsPath`: The path to the extensions directory. Defaults to 'Extensions/' under the app's userData path.
+  - `loadExtensions`: A boolean indicating whether to load extensions installed by Chrome Web Store. Defaults to true.
+  - `allowUnpackedExtensions`: A boolean indicating whether to allow loading unpacked extensions. Only loads if `loadExtensions` is also enabled. Defaults to false.
+  - `allowlist`: An array of allowed extension IDs to install.
+  - `denylist`: An array of denied extension IDs to install.
+
+### `loadAllExtensions`
+
+Loads all extensions from the specified directory.
+
+- `session`: The Electron session to load extensions in.
+- `extensionsPath`: The path to the directory containing the extensions.
+- `options`: An object with the following property:
+  - `allowUnpacked`: A boolean indicating whether to allow loading unpacked extensions. Defaults to false.
+
+> [!NOTE] \
+> `installChromeWebStore` will automatically load installed extensions as long as the `loadExtensions` property is set to `true`.
+
+### `downloadExtension`
+
+Downloads an extension from the Chrome Web Store to the specified destination directory.
+
+- `extensionId`: The ID of the extension to download.
+- `destDir`: The destination directory where the extension will be downloaded. The directory is expected to exist.
+
+> [!TIP]
+> This API is designed to work in Node or Electron.
+
 ## License
 
 MIT