Permissions-Policy: usb
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The HTTP Permissions-Policy header usb directive controls whether the current document is allowed to use the WebUSB API.
Specifically, where a defined policy blocks WebHID usage, the Navigator.usb property will not be available.
Syntax
http
Permissions-Policy: usb=<allowlist>;
<allowlist>-
A list of origins for which permission is granted to use the feature. See
Permissions-Policy> Syntax for more details.
Default policy
The default allowlist for usb is self.
Specifications
| Specification |
|---|
| WebUSB API # permissions-policy |
Browser compatibility
BCD tables only load in the browser