diff --git a/README.md b/README.md
index d58ff422..5c563d47 100644
--- a/README.md
+++ b/README.md
@@ -1574,6 +1574,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Evil Insult Generator](https://evilinsult.com/api) | Evil Insults | No | Yes | Yes |
 | [GitHub Contribution Chart Generator](https://github-contributions.vercel.app) | Create an image of your GitHub contributions | No | Yes | Yes |
 | [GitHub ReadMe Stats](https://github.com/anuraghazra/github-readme-stats) | Add dynamically generated statistics to your GitHub profile ReadMe | No | Yes | Yes |
+| [Libraries.io](https://libraries.io/api) | Metadata, dependencies and release history for open-source packages across 30+ managers | `apiKey` | Yes | Yes |
 | [Metabase](https://www.metabase.com/) | An open source Business Intelligence server to share data and analytics inside your company | No | Yes | Yes |
 | [Shields](https://shields.io/) | Concise, consistent, and legible badges in SVG and raster format | No | Yes | Unknown |