Transaction amount expressed in the smallest currency unit (cents for euro).

Example: for a transaction of 10 EURand 28 cents, the value of the parameter is 1028.

The payment form will be rejected in the following cases:

  • an amount equal to zero [vads_amount=0],
  • a negative amount [vads_amount=-100],
  • an amount with decimals or points |vads_amount=100.50],
  • a form without the vads_amount field (amount absent).
A message notifying of a technical error will be associated with a 09 return code (vads_extra_result).

Input and output field, returned in the response (IPN and Return URL).

Format n..12
Error code 09
Category Transaction details.