ActiveMerchant rip off in Python created by Auston Bunsen, with help from Igor Guerrero & a handful of others. Fork me & improve me!
Latest commit 0f750fa Jul 16, 2015 @abunsen Merge pull request #29 from fitoria/firstdata-gateway
Firstdata gateway
Failed to load latest commit information.
examples FirstData new api initial work Oct 16, 2014
README.rst Update documentation with new install instructions Sep 24, 2012
requirements.txt Added Travis configuration. Add python-dateutil dependency. Aug 1, 2013


Build Status

Trying to make it easy to accept payments in Python. So far, we're Paython - a library in python for payment gateways like Stripe, ePay,, PlugNPay, First Data & more.

Currently - you can just import the gateway needed from gateways & auth/settle/capture (sale)/void/credit once you instantiate with the proper credentials.

IMPORTANT: If you fork & make a cool or useful change, we'd really love it if you wrote some associated tests & issued a pull request that way we can keep this repo up to date ;)

Supported Gateways

  • Stripe
  • Innovative Gateway Solutions (Intuit)
  • First Data Global Gateway (formerly Linkpoint?)
  • PlugnPay
  • Samurai
  • ePay (untested)


It's super simple to start:

Importing what you need

from paython import CreditCard, AuthorizeNet

Setting up a credit card

credit_card = CreditCard(
    number = '4111111111111111',
    exp_mo = '02',
    exp_yr = '2012',
    first_name = 'John',
    last_name = 'Doe',
    cvv = '911',
    strict = False

Checking to see if it's valid

 if not credit_card.is_valid(): return 'houston, we have a problem' # checks card number + expiration date

Setting up customer data to charge, not all fields are required.

customer_data = dict(
    address='123 Main St', 
    address2='Apt 1', 

Trying to authorize against gateway, options include debug output or test credentials

api = AuthorizeNet(username='test', password='testpassword', debug=True, test=True)
gateway_response = api.auth(amount='0.05', credit_card=credit_card, billing_info=customer_data, shipping_info=None)

Keep in mind, if you authorize, you need to settle

api = AuthorizeNet(username='test', password='testpassword', debug=True, test=True)
gateway_response = api.settle(amount='0.05', trans_id='2156729380')

OR, you can capture instead

api = AuthorizeNet(username='test', password='testpassword', debug=True, test=True)
gateway_response = api.capture(amount='0.05', credit_card=credit_card, billing_info=customer_data, shipping_info=None)

This is a typical paython response.

    gateway_response = {
        'response_text': 'This transaction has been approved.',
        'cvv_response': 'P',
        'response_code': '1',
        'trans_type': 'auth_only',
        'amount': '0.05',
        'avs_response': 'Y',
        'response_reason_code': '1',
        'trans_id': '2156729380',
        'alt_trans_id': '',
        'auth_code': 'IL2UW7',
        'approved': True,
        'response_time': '0.55'


You can use pip to install Paython::

pip install paython

Run Tests

Just run::


Or with stats::

nosetests --quiet --with-coverage --cover-package paython

When initializing a gateway, debug will output request params, xml & response text or xml. test will use the test gateway endpoint, if there is one & will raise an error otherwise (NoTestEndpointError).