diff --git a/README.md b/README.md
index aa354cc6..d64b7ab7 100644
--- a/README.md
+++ b/README.md
@@ -670,6 +670,7 @@ API | Description | Auth | HTTPS | CORS |
 | [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 |
+| Zero Retention PDF | Zero-retention HTML to PDF conversion | apiKey | Yes | [Link](https://xeropdf.com) |
 
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