diff --git a/README.md b/README.md
index dd279084..984ab7e4 100644
--- a/README.md
+++ b/README.md
@@ -659,6 +659,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Restpack](https://restpack.io/) | Provides screenshot, HTML to PDF and content extraction APIs | `apiKey` | Yes | Unknown |
 | [Todoist](https://developer.todoist.com) | Todo Lists | `OAuth` | Yes | Unknown |
 | [Smart Image Enhancement API](https://apilayer.com/marketplace/image_enhancement-api) | Performs image upscaling by adding detail to images through multiple super-resolution algorithms | `apiKey` | Yes | Unknown |
+| [staffSign](https://staffsign.de/docs) | Digital employment contract API with QES/eIDAS support for HR and staffing | `apiKey` | Yes | Yes |
 | [Vector Express v2.0](https://vector.express) | Free vector file converting API | No | Yes | No |
 | [WakaTime](https://wakatime.com/developers) | Automated time tracking leaderboards for programmers | No | Yes | Unknown |
 | [Zube](https://zube.io/docs/api) | Full stack project management | `OAuth` | Yes | Unknown |