Permissions-Policy: midi directive

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The HTTP {{HTTPHeader("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, {{domxref("Navigator.requestMIDIAccess()")}} calls will return a {{jsxref("Promise")}} that rejects with a {{domxref("DOMException")}} of type NotAllowedError.

Syntax

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

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Browser compatibility

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See also

• {{HTTPHeader("Permissions-Policy")}} header
• Permissions Policy