2009

Name-Value Pair API Developer Guide 08 April 2009 179
API Error Codes
SetExpressCheckout API Errors
10412 Duplicate invoice Payment has already been made for
this InvoiceID.
PayPal checks that
InvoiceID values are unique
for any particular merchant. If
you send an InvoiceID value
already associated with
another transaction in the
PayPal system, PayPal returns
error code 10412.
You might not be able to
correct this error during an
actual checkout. If you get this
error, research why might
occur and modify your
implementation of Express
Checkout to ensure that you
generate unique invoice
identification numbers.
10413 Transaction refused because
of an invalid argument. See
additional error messages for
details
The totals of the cart item amounts
do not match order amounts.
10415 Transaction refused because
of an invalid argument. See
additional error messages for
details.
A successful transaction has already
been completed for this token.
PayPal allows a token only
once for a successful
transaction.
Handling this error
If you determine that your
customers are clicking your
“Place Order” button twice,
PayPal recommends that you
disable the button after your
customer has clicked it.
10418 Transaction refused because
of an invalid argument. See
additional error messages for
details
The currencies of the shopping cart
amounts must be the same.
10425 Express Checkout has been
disabled for this merchant.
Express Checkout has been disabled
for this merchant. Please contact
Customer Service.
10426 Transaction refused because
of an invalid argument. See
additional error messages for
details
Item total is invalid.
Error
Code Short Message Long Message Correcting This Error...