X-apple-i-md-m Link Jun 2026

Helping Apple servers verify the identity of the specific hardware making a request.

X-Apple-I-MD : A One-Time Password (OTP) or synchronization token. X-Apple-I-MD-LU : The Local User ID. X-Apple-I-MD-RINFO : Routing information.

To manage storage or simply clean up:

: It acts as a machine-level identifier that helps Apple distinguish between a legitimate physical device and a scripted bot.

In the context of Apple's authentication protocols (specifically the authentication service), the string X-Apple-I-MD-M is an HTTP header used to transmit a device's Machine ID .