# Legacy Request Parameters

There are several parameters that KA includes into ISV requests to the ISV endpoint for backward compatibility purposes. These parameters can actually be ignored:

Name | Size (Characters) | Description
--- | --- | ---
APS_PROTOCOL_FAMILY | 3 | Always equals APS
APS_PROTOCOL_VERSION | 1 | Always equals 3
APS_CULTURE_ISO_CODE | 5 | Always equals en_us
RUNNING_NO | 1 | Always equals 1
QUANTITY | 1 | Always equals 1
ENCODING | 4 | Always equals UTF8
LASTNAME | 5 | Always equals Plesk
FIRSTNAME | 5 | Always equals Plesk
COMPANY | 5 | Always equals Plesk
EMAIL | 19 | Always equals blackhole@plesk.com
PHONE | 12 | Always equals +41315281223
FAX | 12 | Always equals +41315281223
STREET | 14 | Always equals Vordergasse 59
CITY | 12 | Always equals Schaffhausen
ZIP | 4 | Always equals 8200
STATE | 0 | Always equals empty string
COUNTRY | 11 | Always equals CH