Permissions-Policy: midi

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The HTTP Permissions-Policy header midi directive controls whether the current document is allowed to use the Web MIDI API.

Specifically, where a defined policy blocks use of this feature, Navigator.requestMIDIAccess() calls will return a Promise that rejects with a DOMException of type SecurityError.

Syntax

http

Permissions-Policy: midi=<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 midi is self.

Specifications

Specification
Web MIDI API
# permissions-policy-integration

Browser compatibility

BCD tables only load in the browser

See also