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 | Apple |
| Related headers | X-Apple-I-Test-Mode, X-Apple-Idms-A3-Token |
| Last seen | 2025-08-07 18:50:22 |
| Note | |
Example header value:4624 |
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