Financial operation request body

Used by: /sale, /preauth, /confirm, /cancel, /refund

Money format:

• All monetary fields are integers in minor units.
• Do not send decimal separators or floating-point values.
• Examples for a 2-decimal currency: 1.00 -> 100, 125.50 -> 12550.
• For zero-decimal currencies, the value matches the whole amount.

Field	Type	Required	Description
pay_id	string	Recommended	Integrator operation ID (idempotency key)
terminal	long	No	Terminal numeric ID (see terminal/merchant resolution rules below)
merchant	long	No	Merchant numeric ID (see terminal/merchant resolution rules below)
amount	long	Yes	Transaction amount in minor units
tips	long	No	Tip amount in minor units
cashback	long	No	Cashback amount in minor units
rrn	string	Operation-dependent	Reference number for linked operations
currency_name	string	Yes	Currency identifier/name
package_name	string	No	Callback package identifier
doc_number	string	No	External document number
headless	boolean	No	Headless mode flag
no_printing	boolean	No	Disable printing
txn_config	object	No	Additional transaction options
language	string	No	Response localization hint

Validation notes:

• tips and cashback cannot both be greater than zero.
• currency_name must be supported by deployment.