X-Requested-For
According to some agreements, the caller shall provide information to T-rank about who the final client is. When such an agreement is in place, the caller must use the X-Requested-For HTTP header.
Format:
username="<username>" name="<name>"
The header value is MIME-encoded (RFC2047), using Base64.
Example:
Input:
username: foobar
name: Foo Bar (BvD Global Sales)
Header:
X-Requested-For: ZXJuYW1lPSJmb29iYXIiIG5hbWU9IkZvbyBCYXIgKEJ2RCBHbG9iYWwgU2FsZXMpIgo=