Add OpenAPIHub to Development (#3037)

PR inactive

resolve #3037

README.md

@@ -581,6 +581,7 @@ API | Description | Auth | HTTPS | CORS |
 | [OneSignal](https://documentation.onesignal.com/docs/onesignal-api) | Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App | `apiKey` | Yes | Unknown |
 | [OOPSpam](https://oopspam.com/) | Multiple spam filtering service | No | Yes | Yes |
 | [Open Page Rank](https://www.domcop.com/openpagerank/) | API for calculating and comparing metrics of different websites using Page Rank algorithm | `apiKey` | Yes | Unknown |
+| [OpenAPIHub](https://hub.openapihub.com/) | The All-in-one API Platform | `X-Mashape-Key` | Yes | Unknown |
 | [OpenGraphr](https://opengraphr.com/docs/1.0/overview) | Really simple API to retrieve Open Graph data from an URL | `apiKey` | Yes | Unknown |
 | [oyyi](https://oyyi.xyz/docs/1.0) | API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation | No | Yes | Yes |
 | [PageCDN](https://pagecdn.com/docs/public-api) | Public API for javascript, css and font libraries on PageCDN | `apiKey` | Yes | Yes |