A request headers is an HTTP header that the client sends to the server.
HTTP request headers list | Browser Headers Viewer
| Type | Non-standard |
| Subype | HackerOne |
| Last seen | 2026-06-13 19:30:29 |
| Link | https://www.hackerone.com/ |
| Note | |
| Syntax | X-HackerOne-Id: [your_hackerone_username] |
Example header value:boomerang_ |
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