diff --git a/README.md b/README.md
index 72180b73..b3aeaf11 100644
--- a/README.md
+++ b/README.md
@@ -911,6 +911,7 @@ API | Description | Auth | HTTPS | CORS |
 | [FilterLists](https://filterlists.com) | Lists of filters for adblockers and firewalls | No | Yes | Unknown |
 | [FraudLabs Pro](https://www.fraudlabspro.com/developer/api/screen-order) | Screen order information using AI to detect frauds | `apiKey` | Yes | Unknown |
 | [GitGuardian](https://api.gitguardian.com/doc) | Scan files for secrets (API Keys, database credentials, ...) | `apiKey` | Yes | No |
+| [HackerOne](https://api.hackerone.com/) | The industry’s first hacker API that helps increase productivity towards creative bug bounty hunting | `apiKey` | Yes | Unknown |
 | [HaveIBeenPwned](https://haveibeenpwned.com/API/v3) | Passwords which have previously been exposed in data breaches | `apiKey` | Yes | Unknown |
 | [Intelligence X](https://github.com/IntelligenceX/SDK/blob/master/Intelligence%20X%20API.pdf) | Perform OSINT via Intelligence X | `apiKey` | Yes | Unknown |
 | [LoginRadius](https://www.loginradius.com/docs/) | Managed User Authentication Service | `apiKey` | Yes | Yes |