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Constant payments

Follow the guidance for setting up a connection with Constant payments as a payment service provider.

Set Up Account

Step 1: Contact Constant payments support manager

Send a request to the support team. Submit the required documents to verify your account and gain access to the back-office.

Step 2: Get credentials

Log into your back-office and go to the Shops section and find a Shop you want to connect. Click the Details button.

Shop list


Find all required credentials there:

  • ID
  • Secret key
  • Public key


Be sure to check with the manager if you require to provide a white list of IPs, and if so, specify IP addresses from the Corefy list.

Connect H2H Merchant Account

Step 1. Connect H2H account at the Corefy Dashboard

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


Enter credentials:

  • Shop ID
  • Secret key
  • Public key

Select Test or Live mode according to the type of account to connect with Constant payments.

Select your Provider URL for API requests (Constantpos).

Choose Currencies and Features. You can set these parameters according to available currencies and features for your Constant Payments account, but it's necessary to verify details of the connection with your Corefy account manager.

Besides all others, add the only_3ds parameter as a feature.


You have connected Constant payments H2H merchant account!

Still looking for help connecting your Constant payments account?

Please contact our support team!