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Vick Khera > PayflowPro-3101 > PayflowPro



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Module Version: 3101   Source   Latest Release: PayflowPro-4712


PayflowPro - Library for accessing PayPal's Payflow Pro HTTP interface


  use PayflowPro qw(pfpro);
  my $data = {

    AMT=> '42.24',
    TAXAMT=>'0.00',      # no tax charged, but specifying it lowers cost
    DESC=>"Test invoice $$",
    COMMENT1=>"Comment 1 $$",
    COMMENT2=>"Comment 2 $$",
    CUSTCODE=>$$ . 'a' . $$,

    TRXTYPE=>'S',                       # sale
    TENDER=>'C',                        # credit card

    # Commercial Card additional info
    SHIPTOZIP=>'20850', # for AmEx Level 2
    DESC4=>'FRT0.00',   # for AmEx Level 2

    # verisign tracking info
    STREET => '123 AnyStreet',
    CITY => 'Anytown',
    COUNTRY => 'us',
    FIRSTNAME => 'Firsty',
    LASTNAME => 'Lasty',
    STATE => 'md',
    ZIP => '20850',

    ACCT => '5555555555554444',
    EXPDATE => '1009',
    CVV2 => '123',

  my $res = pfpro($data);

  if ($res->{RESULT} == 0) {
    print "Woohooo!  We charged the card!\n";


Interface to HTTP gateway for PayPal's Payflow Pro service. Implements the pfpro() function to simplify replacing the old PFProAPI perl module.

Methods implemented are:


Set test mode on or off. Test mode means it uses the testing server rather than the live one. Default mode is live ($testmode == 0).

Returns true.


Set debug mode on or off. Turns on some warn statements to track progress of the request. Default mode is off ($mode == 0).

Returns current setting.


Process request as per hash ref $data. See PFPro API docs on name/value pairs to pass in. All we do here is convert them into an HTTP request, then convert the response back into a hash and return the reference to it. This emulates the pfpro() function in the original API.

Additionally, we honor a TIMEOUT value which specifies the number of seconds to wait for a response from the server. The default is 30 seconds. Normally for production you should not need to alter this value. The test servers are slower so may need larger timeout. The minimum value that PayPal will accept is 5 seconds.

It uses the time and the INVNUM (Invoice Number) field of input to generate the unique request ID, so don't try to process the same INVNUM more than once per second. INVNUM is a required datum to be passed into this function. Bad things happen if you don't.

Upon communications failure, it fakes up a response message with RESULT = -1. Internally, the library tries several times to process the transaction if there are network problems before returning this failure mode.

To validate the SSL certificate, you need a ca-bundle file with a list of valid certificate signers. Then set the environment variable HTTPS_CA_FILE to point to that file. This assumes you are using the Crypt::SSLeay SSL driver for LWP (should be the default). In your code, add some lines like this:

 # CA cert peer verification
 $ENV{HTTPS_CA_FILE} = '/path/to/ca-bundle.crt';

It is likely to be in /etc/ssl or /usr/local/etc/ssl or /usr/local/certs depending on your OS version. The script mkcabundle included with this module can be used to create the bundle file based on the current Mozilla certificate data if you don't already have such a file. One is also included in the source for this module, but it may be out of date so it is recommended that you run the mkcabundle script to ensure you have the latest information.

If you do not set HTTPS_CA_FILE it will still work, but you don't get the certificate validation to ensure you're speaking to the authentic site. You will also get in the HTTPS response headers

 Client-SSL-Warning: Peer certificate not verified

but you'll only see that if you turn on debugging.


Vivek Khera <>


This module is Copyright 2007-2009 Khera Communications, Inc. It is licensed under the same terms as Perl itself.

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