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Interkassa

Accept online payments from customers worldwide

Website: interkassa.com

Login: interkassa.com/login

Follow the guidance for setting up a connection with Interkassa payment service provider.

Set Up Account

Step 1: Contact Interkassa support manager

Register an account on the website or send a request to the support team. Submit the required documents to verify your account and gain access.

Step 2: Set up API parameters

Configure API parameters in the 'Personal cabinet' settings → 'Personal Data' → 'API' Settings:

Personal cabinet settings

  • Specify to 'IP filter' all necessary IP addresses including the Corefy IP list
  • Turn on API usage

API setup

Get the API credentials:

  • User ID
  • API key

Generate a new key if necessary but previously, make sure you don't use the existing one for another integration.

Step 3: Create and configure your Checkout

Select 'Checkout mode' in the 'Personal cabinet' settings and create a new Checkout.

Checkout mode New Checkout

Set up 'Site URL' as https://paycore.io.

Site URL

In the Checkout's settings, find 'Payment settings' and enable 'Check the uniqueness of payments'.

Checkout's settings Check the uniqueness of payments

In the 'Paysystems' section, activate at least one payment method.

Paysystems

In the 'Interface' section, enable the 'allow override in request' option for Interaction URL.

Interface

In the 'Security', set up parameters:

  • Choose SHA256 as Sign algorithm
  • Turn on 'Require sign in payment form'

Security

Finally, copy required checkout parameters:

  • Checkout ID

Checkout ID

  • Sign key
  • Test key

Keys

Connect Provider Account

Step 1. Connect account at the Corefy Dashboard

Press Connect at Interkassa Provider Overview page in 'New connection' and choose Provider account option to open Connection form.

Connect

Enter credentials:

  • User ID → API User
  • API key
  • Checkout ID
  • Sign key → Secret key
  • Test key → Test secret key

Success

You have connected Interkassa account!

Connect H2H Merchant Account

Step 1. Connect H2H account at the Corefy Dashboard

Press Connect at Interkassa Provider Overview page in 'New connection' and choose H2H Merchant account option to open Connection form.

Connect

Enter credentials:

  • User ID → API User
  • API key
  • Checkout ID
  • Sign key → Secret key
  • Payway — Payment directions code's alias (for example, mastercard_cpaytrz_merchant_usd). You can find the complete list of actual codes in the Interkassa documentation and select the payway you want to connect.

Choose currency related to the selected payway. Choose features: only_3ds, required_3ds_v1,required_3ds_v2, but verify their availability with your Corefy account manager.

Success

You have connected Interkassa H2H merchant account!

Still looking for help connecting your Interkassa account?

Please contact our support team!