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 | [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 |
+| [IntelOwl](https://intelowl.readthedocs.io) | Manage your Threat Intelligence at scale | No | Yes | Unknown |
 | [LoginRadius](https://www.loginradius.com/docs/) | Managed User Authentication Service | `apiKey` | Yes | Yes |
 | [Microsoft Security Response Center (MSRC)](https://msrc.microsoft.com/report/developer) | Programmatic interfaces to engage with the Microsoft Security Response Center (MSRC) | No | Yes | Unknown |
 | [Mozilla http scanner](https://github.com/mozilla/http-observatory/blob/master/httpobs/docs/api.md) | Mozilla observatory http scanner | No | Yes | Unknown |