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Manual Reference Pages  -  VEND::PAYMENT::PRI (3)

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Vend::Payment::PRI - Interchange PRI Support





    [charge mode=PRI param1=value1 param2=value2]



  LWP::UserAgent and Crypt::SSLeay

Only one of these need be present and working.


The Vend::Payment::PRI module implements the PRI() routine for using Payment Resources International payment services with Interchange. It is compatible on a call level with the other Interchange payment modules — in theory (and even usually in practice) you could switch from CyberCash to PRI with a few configuration file changes.

To enable this module, place this directive in interchange.cfg:

    Require module Vend::Payment::PRI

This must be in interchange.cfg or a file included from it.

NOTE: Make sure CreditCardAuto is off (default in Interchange demos).

The mode can be named anything, but the gateway parameter must be set to PRI. To make it the default payment gateway for all credit card transactions in a specific catalog, you can set in catalog.cfg:

    Variable   MV_PAYMENT_MODE  PRI

It uses several of the standard settings from Interchange payment. Any time we speak of a setting, it is obtained either first from the tag/call options, then from an Interchange order Route named for the mode, then finally a default global payment variable, For example, the id parameter would be specified by:

    [charge mode=PRI id=YourPRIID]


    Route PRI id YourPRIID

or with only PRI as a payment provider

    Variable MV_PAYMENT_ID      YourPRIID

A fully valid catalog.cfg entry to work with the standard demo would be:

                Route  PRI      id          "__PRI_ID__"
                Route  PRI      regkey      "__PRI_REGKEY__"
                Route  PRI      test_id     "__PRI_TEST_ID__"
                Route  PRI      test_regkey "__PRI_TEST_REGKEY__"
                Route  PRI      test_mode   "__PRI_TEST_MODE__"
                Route  PRI      refid_mode  "__PRI_REFID_MODE__"

A fully valid variable.txt entry to work with the PRI module would be:

                MV_PAYMENT_MODE PRI     Payment
                PRI_ID  your_pri_id     Payment
                PRI_REGKEY      your_pri_regkey Payment
                PRI_TEST_ID     your_pri_test_id        Payment
                PRI_TEST_REGKEY your_pri_test_regkey    Payment
                PRI_TEST_MODE   1       Payment
                PRI_REFID_MODE  1       Payment

The active settings are:
id PRI will supply you with both a test id and production id. Enter both of these numbers into the the variables above. You do not need your production id to test.
regkey PRI will supply you with both a test regkey and production regkey. Enter both of these numbers into the the variables above. You do not need your production regkey to test.
refid The PRI interface allows (requires) a field called REFID. This field is stored along with the transaction on the PRI server and allows your to do quick searches for transactions if this number has meaning. There are three possible values for the PRI_REFID_MODE variable. 1,2 or any other character or null.

        1.  A "1" in the pri_refid_mode instructs interchange to read the current
        order number in $Variable->{MV_ORDER_COUNTER_FILE} or "etc/order.number",
        increment it by one and use that. Do not use this mode if you have a busy catalog.  PRI might reject orders as duplicates if two people try to checkout at the same time.
        2. A "2" in the pri_refid_mode instructs interchange to use the users
        session_id as the value.  This is the recommended mode.
        3. Anything other than a 1 or 2 instructs interchange to generate a unique
        number from the unix date command and use that.  The number format is Day of
        year, Hours, Minutes, Seconds.  Example for Jan 1, at 1:00:30 is 001130030.

transaction At this time the PRI payment module only processes transactions of type SALE.
test Testing with PRI is straight forward. At this time (2004-05-15), PRI uses the same server for both development and production. The only difference is the account used. Some accounts are flagged as TEST accounts and others are live. When you first sign up with PRI they will supply you a test account and test Registration Key to use. Enter those numbers in the PRI_ID, PRI_REGKEY (production) and PRI_TEST_ID, PRI_TEST_REGKEY (test) variables. Set the PRI_TEST_MODE to a value of 1,2 or 3 then do your testing. Once everything is working correctly, simply set PRI_TEST_MODE to 0 and restart interchange. Your now live.

Testing has 3 modes. (1,2,3) (live mode is 0) You set the mode with the PRI_TEST_MODE variable in variable.txt or directly in your catalog.cfg file. The modes are as follows.

1) Use PRI_TEST_ID and PRI_TEST_REGKEY values. Send information to PRI and receive result from PRI. To generate errors in this mode, simply enter invalid data and PRI should reject it with an error.

2) Generate a declined order internally. Does not send data to PRI. This mode is convenient if you want to do some testing and do not want to send any data to PRI. It’s also a good way to track down errors.

3) Generate a successful sale internally. Does not send data to PRI. This mode is convenient if you want to see if everything works before sending test data to PRI.

A good way to test this module is to set PRI_TEST_MODE to 3, then 2, then 1, then 0 and make sure your catalog handles all situations correctly.

generate_error To generate errors in test mode (while using your test ID and regkey) simply enter transactions with bad data and see what happens. PRI will supply you with a list of test credit card numbers and amounts that they are good for.
submit_url PRI uses different URLs depending on what type of transaction you are requesting, Sale, Recurring, Void etc.. The default URL for single sale transactions is

At this time, this is the only URL supported by this PRI module


If nothing works:
o Make sure you Required the module in interchange.cfg:

    Require module Vend::Payment::PRI

o Make sure either Net::SSLeay or Crypt::SSLeay and LWP::UserAgent are installed and working. You can test to see whether your Perl thinks they are:

    perl -MNet::SSLeay -e print "It works\n"


    perl -MLWP::UserAgent -MCrypt::SSLeay -e print "It works\n"

If either one prints It works. and returns to the prompt you should be OK (presuming they are in working order otherwise).

o Check the error logs, both catalog and global.
o Make sure you set your account ID properly.
o Try an order, then put this code in a page:

        my $string = $Tag->uneval( { ref => $Session->{payment_result} });
        $string =~ s/{/{\n/;
        $string =~ s/,/,\n/g;
        return $string;

That should show what happened.

o If all else fails, consultants are available to help with integration for a fee. See


There is actually nothing *in* Vend::Payment::PRI. It changes packages to Vend::Payment and places things there.


Originally developed by New York Connect Net ( Michael Bacarella <>

Modified for by by Troy Davis <>

LWP/Crypt::SSLeay interface code by Matthew Schick, <>.

Interchange implementation by Mike Heins.

PRI modification by Marty Tennison


05-24-2004 - Version 1.0

09-06-2004 -.Version 1.1
Added testing mode support.
        Changed default refid to mode 2.
        Fixed bug where would not recognize a successful transaction with a mix of digits and letters. Now checks for Declined, <space> or <null> to determine declined transaction, all others succeed.
        Cleaned up some code.


Hey! <B>The above document had some coding errors, which are explained below:B>
Around line 171: You forgot a ’=back’ before ’=head2’
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perl v5.20.3 VEND::PAYMENT::PRI (3) 2010-03-25

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