diff --git a/README.md b/README.md
index ff049fd..be5e44e 100644
--- a/README.md
+++ b/README.md
@@ -10,18 +10,36 @@ API and connection handler to connect with [R httpgd servers](https://github.com
 
 ## Usage
 
+### Base usage
+
 Minimal example how to listen for server side changes:
 
 ```JavaScript
-import 'httpgd';
+import { Httpgd } from 'httpgd';
 
 const httpgd = new Httpgd('127.0.0.1:1234', 'mytoken', true);
 httpgd.onPlotsChanged((newState) => console.log(newState));
 httpgd.connect();
+
+// httpgd.removePlot(...)
+// httpgd.getPlotURL(...)
 ```
 
 Advanced usage example: The client included in the [httpgd R package](https://github.com/nx10/httpgd).
 
+### Direct API access
+
+In applications where there is no need to continuously listen for server side changes, `httpgd` APIs can also be called directly using the `api` module. 
+
+Example: 
+
+```JavaScript
+import { url_plot } from 'httpgd/lib/api';
+
+const url = url_plot({ host: '127.0.0.1:1234' }, { id: 'myPlotId' });
+document.getElementsByTagName('img')[0].src = url;
+```
+
 ## License
 
 MIT
\ No newline at end of file
diff --git a/package.json b/package.json
index 3628b64..0d107de 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "httpgd",
-  "version": "0.1.1",
-  "description": "API wrapper and connection helpers to connect with R httpgd servers.",
+  "version": "0.1.2",
+  "description": "R httpgd GraphicsDevice API and connection handler",
   "main": "lib/httpgd.js",
   "types": "lib/httpgd.d.ts",
   "scripts": {
@@ -15,8 +15,17 @@
     "version": "npm run format && git add -A src",
     "postversion": "git push && git push --tags"
   },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/nx10/httpgd-js.git"
+  },
+  "keywords": ["httpgd", "R", "Plot", "Graphics"],
   "author": "Florian Rupprecht",
   "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/nx10/httpgd-js/issues"
+  },
+  "homepage": "https://github.com/nx10/httpgd-js#readme",
   "devDependencies": {
     "@typescript-eslint/eslint-plugin": "^4.31.2",
     "@typescript-eslint/parser": "^4.31.2",
diff --git a/src/types.ts b/src/types.ts
index c938de4..ca6bf0d 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -1,25 +1,38 @@
+/**
+ * Access parameters to a httpgd server.
+ */
 export interface HttpgdBackend {
   host: string;
   token?: string;
 }
 
-// API response objects
-
+/**
+ * Defines the httpgd server state.
+ */
 export interface HttpgdStateResponse {
   upid: number;
   hsize: number;
   active: boolean;
 }
 
+/**
+ * Plot ID object
+ */
 export interface HttpgdIdResponse {
   id: string;
 }
 
+/**
+ * List of plot IDs
+ */
 export interface HttpgdPlotsResponse {
   state: HttpgdStateResponse;
   plots: HttpgdIdResponse[];
 }
 
+/**
+ * Renderer meta information
+ */
 export interface HttpgdRendererResponse {
   id: string;
   mime: string;
@@ -29,12 +42,16 @@ export interface HttpgdRendererResponse {
   bin: boolean;
 }
 
+/**
+ * List of renderers
+ */
 export interface HttpgdRenderersResponse {
   renderers: HttpgdRendererResponse[];
 }
 
-// API request objects
-
+/**
+ * Plot request parameters
+ */
 export interface HttpgdPlotRequest {
   id?: string;
   renderer?: string;
@@ -44,6 +61,9 @@ export interface HttpgdPlotRequest {
   download?: string;
 }
 
+/**
+ * Remove request parameters
+ */
 export interface HttpgdRemoveRequest {
   id: string;
 }