User Guide

Button Manager NVP API April 2012 63
HTML Variables for PayPal Payments Standard
HTML Variables for Recurring Payments Buttons
A
t3 Required Regular subscription units of duration.
Allowable values are:
 D – for days; allowable range for p3 is 1 to 90
 W – for weeks; allowable range for p3 is 1 to 52
 M – for months; allowable range for p3 is 1 to 24
 Y – for years; allowable range for p3 is 1 to 5
1
src Optional Recurring payments. Subscription payments reoccur unless
subscribers cancel their subscriptions before the end of the
current billing cycle or you limit the number of times that
payments recur with the value that you specify for srt.
Allowable values are:
 0 – subscription payments do not recur
 1 – subscription payments recur
The default is 0.
1
srt Optional Recurring times. Number of times that subscription
payments recur. Specify an integer above 1. Valid only if you
specify src="1".
2
sra Optional Reattempt on failure. If a recurring payment for a legacy
subscription fails, in which the subscription ID starts with
S-, PayPal attempts to collect the payment two more times
before canceling the subscription; otherwise (when the
subscription ID starts with I-), the profile is suspended after
the attempt instead of cancelled.
Allowable values are:
 0 – do not reattempt failed recurring payments
 1 – reattempt failed recurring payments before canceling
or suspending
The default is 1.
1
no_note Required Do not prompt buyers to include a note with their payments.
Allowable values for Subscribe buttons:
 1 – hide the text box and the prompt
For Subscribe buttons, always include no_note set to 1. )
1
custom Optional User-defined field which PayPal passes through the system
and returns to you in your merchant payment notification
email. Subscribers do not see this field.
255
invoice Optional User-defined field which must be unique with each
subscription. The invoice number is shown to subscribers
with the other details of their payments
127
Name
Required
or
Optional Description
Character
Length