diff --git a/README.md b/README.md
index d795b7aa..d8abf700 100644
--- a/README.md
+++ b/README.md
@@ -161,6 +161,7 @@ For information on contributing to this project, please see the [contributing gu
 | APIs.guru | Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs | No | Yes | [Go!](https://apis.guru/api-doc/) |
 | CDNJS | Library info on CDNJS | No | Yes | [Go!](https://api.cdnjs.com/libraries/jquery) |
 | Faceplusplus | A tool to detect face | `OAuth` | Yes | [Go!](https://www.faceplusplus.com/) |
+| Genderize.io | Determines a gender from a first name | No | Yes | [Go!](https://genderize.io) |
 | Github - User Data | Pull public information for a user's github | No | Yes | [Go!](https://api.github.com/users/hackeryou) |
 | Gitter | Chat for GitHub | `OAuth` | Yes | [Go!](https://developer.gitter.im/docs/welcome) |
 | Hipster Ipsum | Generates Hipster Ipsum text | No | No | [Go!](http://hipsterjesus.com/) |