2006

Authorization & Capture Integration Guide June 2006 65
C
IPN and PayPal Authorization & Capture
For details on how to set up and verify IPN, refer to the Order Management Integration Guide.
IPN Notifications
You will receive IPN notifications when you complete the following transaction activities:
z Authorization
z Capture
z Vo id
The following table contains Authorization & Capture variables returned through IPN.
TABLE C.21 IPN Variables for PayPal Authorization & Capture
Variable Value Description
Character
Limit
Sent With
Authorization
Sent
With
Capture
Sent
With
Void
txn_id
transaction
-specific
Unique ID of
the
authorization
20 x x x
auth_id
transaction
-specific
Unique ID of
the
authorization
20 x x x
auth_amount
transaction
-specific
Amount of
original
authorization
20 x x
auth_exp
transaction
-specific
Authorization
expiration
date and time
20 x x
remaining_
settle
0-10 Number of
remaining
settlements
allowed
xx