Update README.md

added new api

Author: apilayer-admin

README.md

@@ -1361,6 +1361,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Gfycat](https://developers.gfycat.com/api/) | Jiffier GIFs | `OAuth` | Yes | Unknown |
 | [Giphy](https://developers.giphy.com/docs/) | Get all your gifs | `apiKey` | Yes | Unknown |
 | [Google Photos](https://developers.google.com/photos) | Integrate Google Photos with your apps or devices | `OAuth` | Yes | Unknown |
+| [Image Upload](https://apilayer.com/marketplace/image_upload-api) | Image Optimization | `apiKey` | Yes | Unknown |
 | [Imgur](https://apidocs.imgur.com/) | Images | `OAuth` | Yes | Unknown |
 | [Imsea](https://imsea.herokuapp.com/) | Free image search | No | Yes | Unknown |
 | [Lorem Picsum](https://picsum.photos/) | Images from Unsplash | No | Yes | Unknown |