Parameter name

Validation rule

All parameters except listed below

The following symbols are prohibited and removed

< > " = ' / ( ) ; ##

All parameters with URL

The following symbols are prohibited and removed

< > %3C %3E

symbols &&" are changed to &"

Address , OrderComment

The following symbols are prohibited and removed

< > =

OrderNumber, Bill

The following symbols are prohibited and removed

< > ' " ;

OrderComment, Address (order), Bill_comment (createbill), Сomment (cancel)

The following symbols are prohibited and removed

< > = \
PNR

The following symbols are prohibited and removed

< > " = ' / ( ) ; ##

Parameter length is no more than 15 digits

Digital parameters
Merchant_ID, RecurringIndicator (as well as other parameters of type int)Parameter length is no more than 15 digits