One-step Internet payment (ECOM H2H)

project_id *— ticket (project) identifier received from HighHelp during the integration process.
(string) (<= 32)

payment_id *— payment identifier, unique within the merchant’s checkout. You can use any letters, numbers and symbols in UTF-8 encoding.
(string) (<= 255)

merchant_callback_url— dynamic URL for receiving informative notifications (changes in intermediate application statuses, etc.). Notifications regarding final statuses are sent to the URLs specified inmerchant_success_callback_urlAndmerchant_decline_callback_url.
(string<https-url>) (<= 2048)

merchant_success_callback_url— dynamic URL to receive a notification when the operation is successful.
(string<https-url>) (<= 2048)

merchant_decline_callback_url— dynamic URL to receive an alert if the operation is not successful.
(string<https-url>) (<= 2048)

method *— payment method code. A list of methods is given in the sectionPayment methods.
(string) (<= 32)

amount *— payment amount in fractional currency units. For more details, see sectionCurrency codes.
(integer) (1 <= X <= 10000000000000)

currency *— payment currency code in ISO-4217 alpha-3 format. For more information about currency codes, seeCurrency codes.
(string) (regex: ^[A-Z]{3}$)

description— payment description or comment. Displayed in the merchant's personal account.
(string) (<= 255)

extra_param— an additional parameter for individual routing of a request. Configured together with the administrator.
(string) (regex: ^[A-Za-z0-9_-]{1,16}$)

pan *— customer card number.
(string<pan>) (<= 32)

year *— year of expiration of the client’s card.
(integer) (2020 <= X <= 2099)

month *— month of expiration of the client’s card.
(integer) (1 <= X <= 12)

card_holder *— cardholder’s name (as on the card).
(string) (<= 255) (regex: ^[a-zA-Z - - ҐґЇїІіЄє0-9\s\-.']{1,255}$)

cvv— card authentication code (CVV/CVC).
(string) (regex: ^\d{3,4}$)

id *— a unique client identifier in the merchant’s project.
(string) (<= 255)

ip_address *— Client IP address.
(string<ip-address>) (<= 255)

country *— customer country code in ISO 3166-1 alpha-2 format. For a list of supported countries, seeCountry codes.
(string) (regex: ^[A-Z]{2}$)

first_name— client’s name.
(string) (<= 255)

last_name— last name of the client.
(string) (<= 255)

language— language code in ISO 639-1 format in which the payment page will be displayed. If no language is specified, the default language for the country is used. For a list of supported languages, seeLanguage codes.
(string) (regex: ^[a-z]{2}$)

email— client’s email address.
(string<email>) (<= 255)

browser— name and version of the browser client.
(string) (<= 512)

device_type— client device type.
(string) (<= 512)

user_agent— identification string of the client application.
(string) (<= 1024)

project_id *— checkout ID received from HighHelp during the integration process.
(string) (<= 32)

payment_id *— payment ID.
(string) (<= 255)

amount *— payment amount in fractional currency units. For more details, see sectionCurrency codes.
(integer) (1 <= X <= 10000000000000)

currency *— currency code in ISO-4217 alpha-3 format. For more information about currency codes, seeCurrency codes.
(string) (regex: ^[A-Z]{3}$)

lifetime *— request lifetime in seconds.
(integer) (X <= 2^32)

expiration_date— time until which the application is valid, in Unix Timestamp (UTC) format.
(integer) (X <= 2^32)

created_date *— time of creation of the application in Unix Timestamp (UTC) format.
(integer) (X <= 2^32)

method *— payment method code. The list of methods is given in the "Payment Methods" section.
(string) (<= 32)

type *— type of payment. For more information about types, seeSupported payment types.
(string) (<= 32)

pan *— sender’s card number (masked).
(string<pan>) (<= 32)

year *— the year the card expires.
(integer) (2020 <= X <= 2099)

month *— month of card expiration date.
(integer) (1 <= X <= 12)

card_holder *— cardholder name.
(string) (<= 255) (regex: ^[a-zA-Z - - ҐґЇїІіЄє0-9\s\-.']{1,255}$)

cvv— code for verifying the authenticity of the sender’s card.
(string) (<= 3)

id *— a unique user identifier in the merchant’s project.
(string) (<= 255)

pa_req *— encrypted payment data for 3-D Secure.
(string) (<= 2048)

acs_url *— Issuer URLs for 3-D Secure.
(string<https-url>) (<= 4096)

md *— merchant data in the payment system for 3-D Secure.
(string) (<= 4096)

project_id *— checkout ID received from HighHelp during the integration process.
(string) (<= 32)

payment_id *— payment identifier for which confirmation is performed.
(string) (<= 255)

data *— data received from the issuer after authentication.
(string) (<= 2^16)

project_id *— checkout ID received from HighHelp during the integration process.
(string) (<= 32)

payment_id *— payment identifier, unique within the merchant’s checkout. You can use any letters, numbers and symbols in UTF-8 encoding.
(string) (<= 255)

merchant_callback_url— dynamic URL for receiving informative notifications (changes in intermediate application statuses, etc.). Notifications regarding the final status of applications are sent to the URLs specified inmerchant_success_callback_urlAndmerchant_decline_callback_url.
(string<https-url>) (<= 2048)

merchant_success_callback_url— dynamic URL to receive a notification when the operation is successful.
(string<https-url>) (<= 2048)

merchant_decline_callback_url— dynamic URL to receive an alert if the operation is not successful.
(string<https-url>) (<= 2048)

pan *— recipient’s card number.
(string<pan>) (<= 32)

year— year of expiration of the recipient’s card. Required field for currencyUZS.
(integer) (2020 <= X <= 2099)

month— month of expiration of the recipient’s card. Required field for currencyUZS.
(integer) (1 <= X <= 12)

method *— payment method code. A list of methods is given in the sectionPayment methods.
(string) (<= 32)

amount *— payout amount in fractional currency units. For more details, see sectionCurrency codes.
(integer) (1 <= X <= 10000000000000)

currency *— payout currency in ISO-4217 alpha-3 format. For more information about currency codes, seeCurrency codes.
(string) (regex: ^[A-Z]{3}$)

description— payment description or comment. Displayed in the merchant's personal account.
(string) (<= 255)

extra_param— an additional parameter for individual routing of a request. Configured together with the administrator.
(string) (regex: ^[A-Za-z0-9_-]{1,16}$)

id *— a unique user identifier in the merchant’s project.
(string) (<= 255)

ip_address *— User IP address.
(string<ip-address>) (<= 255)

first_name— name of the client receiving the payment.
(string) (<= 255)

last_name— surname of the client receiving the payment.
(string) (<= 255)

country *— user country code in ISO 3166-1 alpha-2 format.
(string) (regex: ^[A-Z]{2}$)

email— user email address.
(string<email>) (<= 255)

browser— name and version of the user’s browser.
(string) (<= 512)

device_type— user device type.
(string) (<= 512)

user_agent— identification string of the client application.
(string) (<= 1024)

project_id *— checkout ID received from HighHelp during the integration process.
(string) (<= 32)

payment_id *— payment ID.
(string) (<= 255)

amount *— the amount of the application in fractional currency units. For more details, see sectionCurrency codes.
(integer) (1 <= X <= 10000000000000)

currency *— code of the currency in which the payment is made, in the “ISO-4217 alpha-3” format. For more information about currency codes, seeCurrency codes.
(string) (regex: ^[A-Z]{3}$)

method *— payment method code. A list of methods is given in the sectionPayment methods.
(string) (<= 32)

type— payment type that was selected when creating the payment. For more information about types, seeSupported payment types.
(string) (<= 32)