Add screenshotapi.net to the list (#1107)

README.md

@@ -289,6 +289,7 @@ API | Description | Auth | HTTPS | CORS |
 | [ReqRes](https://reqres.in/ ) | A hosted REST-API ready to respond to your AJAX requests | No | Yes | Unknown |
 | [Scrape Website Email](https://market.mashape.com/tommytcchan/scrape-website-email) | Grabs email addresses from a URL | `X-Mashape-Key` | Yes | Unknown |
 | [ScraperApi](https://www.scraperapi.com) | Easily build scalable web scrapers | `apiKey` | Yes | Unknown |
+| [ScreenshotAPI.net](https://screenshotapi.net/) | Create pixel-perfect website screenshots | `apiKey` | Yes | Yes |
 | [SHOUTCLOUD](http://shoutcloud.io/) | ALL-CAPS AS A SERVICE | No | No | Unknown |
 | [StackExchange](https://api.stackexchange.com/) | Q&A forum for developers | `OAuth` | Yes | Unknown |
 | [Verse](https://verse.pawelad.xyz/) | Check what's the latest version of your favorite open-source project | No | Yes | Unknown |