1. Kount Developer
  2. Command
  3. Risk Inquiry Service
  4. RIS SDKs

How to Integrate the RIS Python SDK

This document contains resources for the Risk Inquiry Service (RIS) Python SDK. The RIS Python SDK provides information about:

  • Building and sending requests to the RIS service

  • Customer-side data verification

  • Sensitive information protection

Note

For release notes, refer to RIS Python SDK Release Notes History.

Installing the RIS Python SDK

We recommend using the pip package manager pip install kount_ris_sdk to install the latest RIS Python SDK. We also allow developers to download the SDK library from the Python SDK GitHub repository; however, we recommend using pip.

Follow the steps below to download from the SDK library:

  1. Clone the SDK repository to your machine.

  2. Use your preferred Git client

  3. Console:

    git clone https://github.com/Kount/kount-ris-python-sdk.git

    git clone git@github.com:Kount/kount-ris-python-sdk.git

  4. Use your preferred python IDE.

Configuring the RIS Python SDK

Before you make your RIS call, you must have received or created the following data:

  • Merchant ID: 6-digit integer, referenced as MERCHANT_ID in code snippets

  • Site ID: DEFAULT (if custom Site IDs are being used, contact your Kount implementation engineer)

  • RIS POST URL (in test): https://risk.test.kount.net in test_api_kount.py

  • API Key: Used to authenticate the RIS POST, refer to How to Create an API Key for Authentication to Kount

  • KHASH ConfigKey: If applicable to integration, contact your Kount implementation engineer to obtain this ConfigKey, which is used to hash card data

Note

Currently, configurationKey is equal to b'fake configurationKey' in settings.py.

Making Your First Call

There are two types of requests that can be performed through the SDK: Inquiry and Update. The usual structure of a Request usually consists of three parts:

  • Information about the merchant and processing instructions for the RIS service

  • Information about the customer making a purchase: personal data, geo-location, etc.

  • Information about the purchase: product name, category, quantity, price

Example of an Inquiry object being sent to the RIS service /see test_inquiry.py/.

#python
from kount.util.khash import Khash
from kount.settings import configurationKey as iv

Khash.set_iv(iv)

MERCHANT_ID = 999667
EMAIL_CLIENT = "customer.name@email.com"
SHIPPING_ADDRESS = Address("567 West S2A1 Court North", "",
                           "Gnome", "AK", "99762", "US")
PTOK = "0007380568572514"
SITE_ID = "192.168.32.16"
URL_API = "https://kount.ris/url"
API_KEY = "real api key"

def evaluate_inquiry():
    session_id = generate_unique_id()[:32]
    inquiry = Inquiry()

    # set merchant information, see default_inquiry() in test_basic_connectivity.py
    inquiry.merchant_set(MERCHANT_ID)
    inquiry.request_mode(INQUIRYMODE.DEFAULT)
    inquiry.merchant_acknowledgment_set(MERCHANTACKNOWLEDGMENT.TRUE)
    inquiry.website("DEFAULT")

    #~ set customer information
    inquiry.unique_customer_id(session_id[:20])
    inquiry.ip_address(SITE_ID)
    payment = CardPayment(PTOK, khashed=False)   # credit-card-number
    #~ or for khashed token
    #~ payment = CardPayment(PTOK)   # credit-card-number, khashed=True *default value*
    inquiry.payment_set(payment)
    inquiry.customer_name("SdkTestFirstName SdkTestLastName")
    inquiry.email_client(EMAIL_CLIENT)
    inquiry.shipping_address(SHIPPING_ADDRESS)

    # set purchase information
    inquiry.currency_set(CURRENCYTYPE.USD)
    inquiry.total_set('123456')
    cart_item = []
    cart_item.append(CartItem("SPORTING_GOODS", "SG999999",
                              "3000 CANDLEPOWER PLASMA FLASHLIGHT",
                              '2', '68990'))
    inquiry.shopping_cart(cart_item)

    client = Client(URL_API, API_KEY)
    response = client.process(params=self.inq.params)
    response_params = Response(response).params

    # do stuff with response

Request Explanation

Here is a short description of the request creation process.

  1. Creating the communication client, requires the RIS service URL and provided API key. The API key is set as request header for the network request.

  2. Setting the request mode. As mentioned previously, there are several request modes and INQUIRYMODE.INITIAL_INQUIRY is the most used one.

  3. Setting a session identifier. This ID should be unique for a 30-day span and is used to track all changes regarding the purchase described in the request.

  4. IP address of the customer. The merchant can discover it or it can be obtained through the Device Data Collector service.

  5. Set this to a correct credit number or select another payment method (for test purposes).

  6. The total purchase amount represented in the lowest possible currency denomination (example: cents for US Dollars)

  7. Different payment types /user defined/ can be created with NewPayment or Payment:

    NewPayment(payment_type="PM42", payment_token=token) # default khashed=True
    Payment("PM42", token, False)
    Payment("PM42", token) # default khashed=True

RIS Response

After a merchant has posted RIS information to Kount, a key-value pair string is returned back to the merchant. The RIS response format is the same that was specified in the RIS request, with the default being named pairs. Each data field must be invoked by getter methods on the Response object from the SDK. The merchant can then use the RIS response to automate the order management process by keying off of the AUTO field and can utilize any of the additional data returned for internal processing.

An important use of the RIS response is the ability to view any warnings or errors that were made during the RIS post from the merchant. All warnings will be displayed in the response and if errors do occur the RIS response will be returned with a MODE = E /if inquiry.params["FRMT"] is not set/ or {"MODE": "E", "ERRO": "201"} /if inquiry.params["FRMT"] = "JSON"/. A Response.get_errors() returns an error list.

Note

Refer to Risk Inquiry Service Error Codes for a list of all error codes.

RIS Payment Encryption Options

The RIS Python SDK defines a group of objects representing various payment types. Using those payment types with the Request.set_payment(...) method automatically sets the required PTYP parameter and other parameters corresponding to the selected payment type.

Supported payment types:

  • CardPayment

  • CheckPayment

  • GiftCardPayment

  • GooglePayment

  • GreenDotMoneyPakPayment

  • PaypalPayment

  • Apple Pay

  • BPAY

  • Carte Bleue

  • ELV

  • GiroPay

  • Interac

  • Mercado Pago

  • Neteller

  • POLi

  • Single Euro Payments Area

  • Skrill/Moneybookers

  • Sofort

  • Token

There are also several "system" payment types:

  • NoPayment

  • BillMeLaterPayment

Request Types and Parameters

The two major request types, Inquiry and Update, are configured by setting the MODE parameter to the correct value.

Use Inquiry for initial registration of the purchase in the Kount system. It has four available values for the MODE parameter:

Inquiry MODE

SDK Constant

Description

Q

InquiryType.ModeQ

Default inquiry mode, internet order type

P

InquiryType.ModeP

Used to analyze a phone-received order

W

InquiryType.ModeW

Kount Central full inquiry with returned thresholds

J

InquiryType.ModeJ

Kount Central fast inquiry with just thresholds

Use Update whenever there are changes to a given order that need to be updated in the Kount system. Update has two available values for the MODE parameter:

Update MODE

SDK Constant

Description

U

UpdateType.ModeU

Default update mode, only sends the update event

X

UpdateType.ModeX

Sends the update event and RIS service returns a status response

Mandatory Parameters

Parameter name

Setter

Mode Q

Mode P

Mode W

Mode J

Mode U

Mode X

MODE

SetMode

Y

Y

Y

Y

Y

Y

VERS

SetVersion

Y

Y

Y

Y

Y

Y

MERC

SetMerchantId

Y

Y

Y

Y

Y

Y

SITE

SetWebsite

Y

Y

Y

SESS

SetSessionId

Y

Y

Y

Y

Y

CURR

SetCurrency

Y

Y

Y

Y

TOTL

SetTotl

Y

Y

Y

Y

CUSTOMER_ID

SetKountCentralCustomerId

Y

Y

PTYP

Y

Y

Y

Y

IPAD

SetIpAddress

Y

Y

Y

Y

MACK

SetMack

Y

Y

Y

Y

Y

TRAN

SetTransactionId

Y

Y

PROD_TYPE

*

Y

Y

Y

PROD_ITEM

*

Y

Y

Y

PROD_QUANT

*

Y

Y

Y

PROD_PRICE

*

Y

Y

Y

ANID

SetAnid

Y

Note

Parameters marked with an asterisk (*) are the shopping cart parameters. They are bulk-set by the Inquiry.setCart(collection<CartItem> cart) method. If the shopping cart contains more than one entry, values for each parameter are transformed to single concatenated strings and then set to the corresponding parameter.

Optional Parameters

RIS provides many optional request parameters to increase precision when making a decision about a given purchase/order.

  • AUTH: Authorization Status returned to merchant from processor. Acceptable values for the AUTH field are A for Authorized or D for Decline. In orders where AUTH = A will aggregate towards order velocity of the persona while orders where AUTH = D will decrement the velocity of the persona.

  • AVST: Address Verification System Street verification response returned to merchant from processor. Acceptable values are M for match, N for no-match, or X for unsupported or unavailable.

  • AVSZ: Address Verification System Zip Code verification response returned to merchant from processor. Acceptable values are M for match, N for no match, or X for unsupported or unavailable.

  • CVVR: Card Verification Value response returned to merchant from processor. Acceptable values are M for match, N for no-match, or X unsupported or unavailable.

  • LAST4: Last 4 numbers of Credit Card Value.

  • LBIN: Captures 6-8 characters of BIN data

User Defined Fields (UDFs)

You can create User Defined Fields (UDFs) to include additional information related to your business that is not a standard field in the Transactions Details page in the AWC. Once you have defined the UDF in the AWC, you can pass this data into Kount via an array called UDF as key-value pairs where the label is the key and the data passed in is the value. For more information on creating UDF, review Managing User Defined Fields.

Session related parameters

There are a few parameters responsible for maintaining connection between linked interactions with the RIS. They are transported as a part of the Request/Response objects during standard RIS communication.

SESS parameter

This parameter should be created by the merchant at the start of each new customer purchase. SESS is used to join the customer device data with the order data sent with the RIS request. If the merchant uses the Device Data Collector service to obtain customer device information, then the same SESS value must be used for all RIS calls starting with the one to the Device Data Collector service. Requirements for the parameter value are:

  • Alphanumeric

  • 1-32 characters

  • Value should be unique over a thirty-day period of time SESS is a mandatory parameter set by Request.session_set(string) method.

TRAN parameter

The TRAN parameter is required for Update calls to RIS. Its value is created by us and is returned within the Response object for the first RIS Inquiry. For all subsequent events, modifying this particular customer order, the TRAN parameter should be set to the Kount-created value.

Frequently Asked Questions

How do I build the SDK, and then run integration and unit tests in root directory?

The real configuration key can be set in local_settings.py: configurationKey = b"replace with real key". Or it can be set as an environment variable K_KEY.

In settings.py, uncomment the following:

#~ uncomment this if you'd like to get the configurationKey from the environment
#~ import os
#~ try:
    #~ configurationKey = os.environ['K_KEY']
#~ except KeyError:
    #~ print("The default fake configurationKey set. Required actual one from Kount")

In case of correct configurationKey all tests will be executed:

~/Kount$ python3 -m pytest tests
=============== test session starts =============================
platform linux -- Python 3.6.1, pytest-3.1.0, py-1.4.33, pluggy-0.4.0
metadata: {'Platform': 'Linux-4.10.0-21-generic-x86_64-with-Ubuntu-17.04-zesty', 'Plugins': {'html': '1.14.2', 'metadata': '1.5.0'}, 'Packages': {'py': '1.4.33', 'pytest': '3.1.0', 'pluggy': '0.4.0'}, 'Python': '3.6.1'}
rootdir: /home/dani/Kount, inifile:
plugins: metadata-1.5.0, html-1.14.2
collected 91 items

tests/test_address.py ...
tests/test_api_kount.py .......
tests/test_base85_encode_decode.py ....
tests/test_basic_connectivity.py ..........
tests/test_bed_examples.py ..
tests/test_inquiry.py ...
tests/test_khash.py ...........
tests/test_payment.py .....
tests/test_ris_test_suite.py ..........................
tests/test_ris_validation_exception.py ........
tests/test_ris_validator.py ...
tests/test_validation_error.py ........
tests/test_xmlparser.py .


===========================================================91 passed in 71.87 seconds ==========

With incorrect/missing configurationKey the integration tests will raise a ValueError: Configured configurationKey is incorrect.

~/Kount$ python -m pytest tests
=========================================================================================== test session starts ============================================================================================
platform linux2 -- Python 2.7.13, pytest-3.1.1, py-1.4.33, pluggy-0.4.0
metadata: {'Python': '2.7.13', 'Platform': 'Linux-4.10.0-22-generic-x86_64-with-Ubuntu-17.04-zesty', 'Packages': {'py': '1.4.33', 'pytest': '3.1.1', 'pluggy': '0.4.0'}, 'Plugins': {'html': '1.14.2', 'metadata': '1.5.0'}}
rootdir: /home/dani/Kount, inifile:
plugins: metadata-1.5.0, html-1.14.2
collected 27 items / 4 errors

================================================================================================== ERRORS ==================================================================================================
_________________________________________________________________________________ ERROR collecting tests/test_api_kount.py _________________________________________________________________________________
tests/test_api_kount.py:14: in <module>
    import inittest
tests/inittest.py:20: in <module>
    Khash.set_iv(iv)
kount/util/khash.py:73: in set_iv
    cls.verify()
kount/util/khash.py:63: in verify
    raise ValueError(mesg)
E   ValueError: Configured configurationKey  is incorrect.
--------------------------------------------------------------------------------------------- Captured stderr ----------------------------------------------------------------------------------------------
No handlers could be found for logger "kount.khash"
____________________________________________________________________________ ERROR collecting tests/test_basic_connectivity.py _____________________________________________________________________________
tests/test_basic_connectivity.py:16: in <module>
    import inittest
tests/inittest.py:20: in <module>
    Khash.set_iv(iv)
kount/util/khash.py:73: in set_iv
    cls.verify()
kount/util/khash.py:63: in verify
    raise ValueError(mesg)
E   ValueError: Configured configurationKey is incorrect.
___________________________________________________________________________________ ERROR collecting tests/test_khash.py ___________________________________________________________________________________
tests/test_khash.py:9: in <module>
    import inittest
tests/inittest.py:20: in <module>
    Khash.set_iv(iv)
kount/util/khash.py:73: in set_iv
    cls.verify()
kount/util/khash.py:63: in verify
    raise ValueError(mesg)
E   ValueError: Configured configurationKey  is incorrect.
______________________________________________________________________________ ERROR collecting tests/test_ris_test_suite.py _______________________________________________________________________________
tests/test_ris_test_suite.py:9: in <module>
    from test_basic_connectivity import generate_unique_id, default_inquiry
/usr/local/lib/python2.7/dist-packages/_pytest/assertion/rewrite.py:216: in load_module
    py.builtin.exec_(co, mod.__dict__)
tests/test_basic_connectivity.py:16: in <module>
    import inittest
tests/inittest.py:20: in <module>
    Khash.set_iv(iv)
kount/util/khash.py:73: in set_iv
    cls.verify()
kount/util/khash.py:63: in verify
    raise ValueError(mesg)
E   ValueError: Configured configurationKey is incorrect.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Interrupted: 4 errors during collection !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
=================================================== 4 error in 0.29 seconds =================================

Run tests with unittest (displayed info like logger errors from raised exceptions in tests):

  • with verbosity

    ~Kount$ python3 -m unittest discover tests -v
...
test_long request ... validation errors = ['max_length 8991 invalid for S2NM']
...

  • without verbosity

    ~Kount$ python3 -m unittest discover tests
...validation errors = ['Regex ^.+@.+\\..+$ invalid for S2EM']
....validation errors = ['Regex ^.+@.+\\..+$ invalid for EMAL']
.validation errors = ['max_length 65 invalid for EMAL']
.....validation errors = ['Regex ^.+@.+\\..+$ invalid for EMAL']
.validation errors = ['max_length 8991 invalid for S2NM']
ValueError - Expecting value: line 1 column 1 (char 0)
validation errors = ['max_length 56943 invalid for S2NM']
ValueError - Expecting value: line 1 column 1 (char 0)
....validation errors = ['Regex ^.+@.+\\..+$ invalid for EMAL']
.validation errors = ['max_length 8991 invalid for S2NM']
ValueError - Expecting value: line 1 column 1 (char 0)
validation errors = ['max_length 56943 invalid for S2NM']
ValueError - Expecting value: line 1 column 1 (char 0)
...............................validation errors = ['Mode J invalid for MACK', 'Mode J invalid for SESS', 'Mode J invalid for SITE', 'Mode J invalid for PROD_QUANT[0]', 'Mode J invalid for PROD_ITEM[0]', 'Mode J invalid for PROD_PRICE[0]', 'Mode J invalid for PROD_TYPE[0]']
.............validation errors = ['Mode J invalid for MACK', 'Mode J invalid for SESS', 'Mode J invalid for SITE', 'Mode J invalid for PROD_QUANT[0]', 'Mode J invalid for PROD_ITEM[0]', 'Mode J invalid for PROD_PRICE[0]', 'Mode J invalid for PROD_TYPE[0]']
......................
----------------------------------------------------------------------
Ran 91 tests in 71.508s
OK

The coverage can be measured with

~/Kount$ coverage run -m unittest discover tests
.....................................................................................
----------------------------------------------------------------------
Ran 91 tests in 79.799s
~/Kount$ coverage report --omit=*/local/*,*/.local/*

TOTAL - 92%

or generate detailed html coverage in folder ~htmlcov with:

~/Kount$ coverage  html --omit=*/local/*,*/.local/*
Was this article helpful?
0 out of 1 found this helpful
RIS SDKs
How to Integrate the RIS Java SDK
How to Integrate the RIS Python SDK
How to Integrate the RIS PHP SDK
How to Integrate the RIS Ruby SDK
Integrating the Risk Inquiry Service .NET SDK
Kount RIS Python SDK Release Notes History
Kount RIS Java SDK Release Notes History
Kount RIS PHP SDK Release Notes History
Kount RIS Ruby SDK Release Notes History
Kount RIS .NET SDK Release Notes History