Update README.md

c431f4b2 · IP2WHOIS · GitHub · e43a74ba · c431f4b2
Unverified Commit c431f4b2 authored Feb 14, 2020 by IP2WHOIS Committed by GitHub Feb 14, 2020
--- a/README.md
+++ b/README.md
@@ -295,6 +295,7 @@ API | Description | Auth | HTTPS | CORS |
 | [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 |
 | [XML to JSON](https://developers.wso2apistore.com/) | Integration developer utility APIs | No | Yes | Unknown |
+| [IP2WHOIS Information Lookup](https://www.ip2whois.com/) | WHOIS domain name lookup | `apiKey` | Yes | Unknown |

 **[⬆ Back to Index](#index)**
 ### Dictionaries