diff --git a/docs/.vitepress/config.mts b/docs/.vitepress/config.mts
index 953f731..163486d 100644
--- a/docs/.vitepress/config.mts
+++ b/docs/.vitepress/config.mts
@@ -30,7 +30,13 @@ export default defineConfig({
                 text: 'API Reference',
                 items: [
                     { text: 'Overview', link: '/api/' },
-                    { text: 'Ingestion API', link: '/api/ingestion' }
+                    { text: 'Authentication', link: '/api/authentication' },
+                    { text: 'Auth', link: '/api/auth' },
+                    { text: 'Archived Email', link: '/api/archived-email' },
+                    { text: 'Dashboard', link: '/api/dashboard' },
+                    { text: 'Ingestion', link: '/api/ingestion' },
+                    { text: 'Search', link: '/api/search' },
+                    { text: 'Storage', link: '/api/storage' }
                 ]
             },
             {
diff --git a/docs/api/index.md b/docs/api/index.md
index c67872c..bfd8a0f 100644
--- a/docs/api/index.md
+++ b/docs/api/index.md
@@ -1 +1,18 @@
-# API documentation
+# API Overview
+
+Welcome to the Open Archiver API documentation. This section provides detailed information about the available API endpoints.
+
+All API endpoints are prefixed with `/api/v1`.
+
+## Authentication
+
+Before making requests to protected endpoints, you must authenticate with the API. See the [Authentication Guide](./authentication.md) for details on how to obtain and use API tokens.
+
+## API Services
+
+-   [**Auth Service**](./auth.md): Handles user authentication.
+-   [**Archived Email Service**](./archived-email.md): Manages archived emails.
+-   [**Dashboard Service**](./dashboard.md): Provides data for the main dashboard.
+-   [**Ingestion Service**](./ingestion.md): Manages email ingestion sources.
+-   [**Search Service**](./search.md): Handles email search functionality.
+-   [**Storage Service**](./storage.md): Manages file storage and downloads.