
D8Corporation
We enable your digital payment services. D8 Corporation helps you bring your services to market quickly and at scale.
Website: www.d8corporation.com
Set up Merchant Account
Step 1: Create Merchant Account
To create an account send connection request to D8 contact manager. Submit the required documents to verify your account and gain access.
Step 2: Get required credentials
Credentials that have to be issued:
- d8__merchant_id → Merchant ID
- d8__terminal_id → Terminal ID
- d8__ssl_cert → SSL Certificate
- d8__ssl_private_key → SSL Private Key
- d8__api_url → API URL (optional, default ecomx.mtb.ua:8443/payments/v1/ for production and ecomm-test.mtb.ua/payments/v1/ for test environment)
Question
"Having issues with your credentials?" Please contact our support team!
Connect Provider Account
Step 1. Connect provider account at the Corefy Dashboard
Press Connect at D8 Provider Overview page in 'New connection' section and press Connect button to open Connection form.

Enter credentials:
- Merchant ID
- Terminal ID
- SSL Certificate
- SSL Private Key
- API URL (optional, default ecomx.mtb.ua:8443/payments/v1/ for production and ecomm-test.mtb.ua/payments/v1/ for test environment)
Success
You have connected D8 provider account!
API examples:
Min/max data set to create a payout invoice for payment_card_uah service
PAYOUT
POST /api/payout-invoices HTTP/1.1
{
"data": {
"type": "payout-invoice",
"attributes": {
"service": "payment_card_uah",
"currency": "UAH",
"amount": 100,
"test_mode": true,
"fields": {
"card_number": "5122********0027"
}
}
}
}
Constants for payouts

If some parameters are not sent in the transaction creation request, they will take the values from the set constants.
Here is a list of constants with their corresponding parameters:
- FUNDING SOURCE → fundingSource (Money Transfer funding source, AN..2; default CC)
- BUSINESS APP ID → businessAppId (Money Transfer Business Application Identifier, AN..3; default GPO)
- LANGUAGE → language (ISO 639-1 two-letter language code; default en)
- DETAIL → detail (payment description; falls back to the request description, then to the operation id)
- CLIENT IP → clientIp (client IPv4/IPv6; falls back to the request user IP)
- SENDER ACCOUNT NUMBER → srcAccNum (sender account number)
- SENDER ACCOUNT TYPE → srcAccType (sender account type, 0–8)
- SENDER FIRST NAME → chFirstName (sender first name)
- SENDER LAST NAME → chLastName (sender last name)
- SENDER EMAIL → chMail (sender email)
- SENDER PHONE → chPhoneNum (sender phone number)
- SENDER PHONE CC → chPhonceCc (sender phone country code)
- SENDER ID TYPE → senderIdType (sender ID type: CP — company, PS — passport, TX — tax; sent in the postAdditionalData step when the provider requires it)
- SENDER ID → senderId (sender identification number; sent in the postAdditionalData step when the provider requires it)
- BILLING COUNTRY → baddrCountry (cardholder billing country, numeric ISO 3166-1, e.g. 804; falls back from the customer address)
- BILLING CITY → baddrCity (cardholder billing city; falls back from the customer address)
- BILLING ZIP → baddrZip (cardholder billing ZIP code; falls back from the customer address)
- BILLING ADDRESS LINE 1 → baddrline1 (cardholder billing address; falls back from the customer address)
Set up Account H2H merchant account
Step 1: Create Merchant Account
To create an account send connection request at the d8corporation.com/en/contact-d8 or contact manager directly. Submit the required documents to verify your account and gain access.
Step 2: Get required credentials
Credentials that have to be issued:
- d8__merchant_id → Merchant ID
- d8__terminal_id → Terminal ID
- d8__ca_cert → CA Certificate
- d8__test_mode → Test mode
- d8__currency → choose currency (You can set these parameters according to available currencies and features for your D8Corporation wallets and services, but it's necessary to check details of the connection with your Corefy account manager.)
Connect Merchant Account
Step 1. Connect H2H account at the Corefy Dashboard
Press Connect at D8Corporation Provider Overview page in 'New connection' section and choose H2H Merchant account option to open Connection form.

Enter credentials:
- Merchant ID
- Terminal ID
- CA Certificate
- Test mode → true/false
- Currency
Success
You have connected D8Corporation H2H merchant account!
API examples:
Minimum data set to create a payment invoices for payment_card_uah_hpp service
SALE
POST /api/payment-invoices HTTP/1.1
{
"data": {
"type": "payment-invoice",
"attributes": {
"reference_id": "9c005348-0bd2-4e7f-aa64-b50d0660c01d",
"service": "payment_card_uah_hpp",
"currency": "UAH",
"amount": 5,
"test_mode": true
}
}
}
Constants

If some parameters are not sent in the transaction creation request, they will take the values from the set constants.
Here is a list of constants with their corresponding parameters:
- LANGUAGE → constant [language]
Question
"Still looking for help connecting your D8Corporation account?" Please contact our support team!