Add IP Sidekick

README.md

@@ -263,6 +263,7 @@ API | Description | Auth | HTTPS | Link |
 | IP 2 Country | Map an IP to a country | No | Yes | [Go!](https://ip2country.info) |
 | IP Address Details | Find geolocation with ip address | No | Yes | [Go!](https://ipinfo.io/) |
 | IP Location | Find IP address location information | No | Yes | [Go!](https://ipapi.co/) |
+| IP Sidekick | Geolocation API that returns extra information about an IP address | apiKey/no | Yes | [Go!](https://ipsidekick.com) |
 | IP Vigilante | Free IP Geolocation API | No | Yes | [Go!](https://www.ipvigilante.com/) |
 | Mapbox | Create/customize beautiful digital maps | `apiKey` | Yes | [Go!](https://www.mapbox.com/developers/) |
 | Mapzen Search | Open Source & Open Data Global Geocoding Service | `apiKey` | Yes | [Go!](https://mapzen.com/products/search/) |