| Date | Description |
| 18.11.2019 | BonusesAmount and prepaymentAmount payment types have been added to /sale and /refund requests in the payments section, only used payment types can be transferred |
| 12.12.2019 | printError parameter in response to /sale and /refund requests in case of a print error. The response status in this case is success. Added the departmentName parameter to the requests /sale, /x_report and /close_shift - the name of the store to be printed on the receipt |
| 23.12019 | Added requirement for utf-8 encoding |
| 13.01.2020 | ItemAttr parameter added to /sale and /refund requests by position |
| 28.01.2020 | fiscalID added to /sale and /refund requests by position |
| 02.03.2020 | Added calculated tax amounts to /close_shift and /x_report queries |
| 03.03.2020 | In payments block of /sale and /refund requests, the otherAmount parameter has been replaced with creditAmount. In the data returned by the /check_status command, payment types are brought into line with the payments block of the /sale operation |
| 17.03.2020 | Added departmentName parameter to /deposit and /withdraw requests to print on receipt |
| 13.04.2020 | ItemMarginPrice and itemMarginSum parameters have been added to /sale and /refund requests by position |
| 04.05.2020 | ParentDocNum parameter added to /refund request |
| 12.06.2020 | Added /get_info request |
| 15.06.2020 | Added /check_shift request |
| 17.07.2020 | In request /sale added printFooter and wsName parameters , in /close_shift, /deposit and /withdraw requests added wsName parameter |
| 08.08.2020 | docTime parameter to /sale and /refund requests |
| 10.09.2020 | calcType parameter to /sale and /refund requests in itemTaxes section |
| 19.11.2020 | Added /rollback request |
| 24.12.2020 | In requests /sale, /money_back and /rollback added returned parameter fiscalNum – document number from CRF |
| 01.02.2021 | To the list of return parameters on request /sale added parameters rrn, auth, cardNum and checkNum; they fill according to the results of payment by card at the terminal in the case of an installed payment application RRN, checkNum and originAmount have been added to the /money_back request parameters - they are transmitted if the return is made with the return of funds via the bank terminal |
| 22.02.2021 | Added the installmentAmount parameter to the payments block of the /sale request |
| The departmentCode parameter has been added to /sale, /refund, /x_report, /check_shift, /open_shift and /close_shift requests - the code of the point of sale when implementing a multimerchant sales system |
| 15.06.2021 | Added /creditpay and /prepay requests. In /sale and /refund requests added parameters creditContract , prepayDocID, prepayDocNum |
| 19.08.2021 | Added itemCode parameter to /sale and /refund requests |
| 29.09.2021 | The invoicePayments payment type has been added to the payments object in the /sale and /refund requests — representing cashless payments processed without interaction with the payment application. |
| 06.12.2021 | Added method: /dates_report. ItemBarcode and extraData parameters added to /sale and /refund requests |
| 14.03.2022 | Added the prepaymentCashlessAmount parameter to the /sale request in the payments object |
| 13.05.2022 | Added transport protocol for communication via Serial port |
| 26.08.2022 | In requests /sale, /refund and /rollback added optional parameter itemUnit - name of the unit of measurement |
| 14.09.2022 | In requests /sale, /refund added optional parameters: clientName, clientPhone, tips, cashback |
| 30.03.2023 | In requests /sale, /refund added Array extraPayments |
| 22.06.2023 | In requests /sale, /refund added optional parameters: rrn, cardNumber |
| 07.07.2023 | Added an optional parameter textToPrint to /sale and /refund requests |
| 20.11.2023 | An optional discountPrc parameter has been added to /sale and /refund requests in items array |
| 21.11.2023 | In the /sale and /refund requests, an optional parameter skipReceiptPrint has been added |
| 26.12.2023 | In the taxes array, a parameter fullName has been added. |
| 22.01.2024 | Added the /check_copy endpoint. The /sale and /refund endpoints now accept an optional documentID parameter that lets you locate a receipt and verify its current status. Their response payloads have been extended with the docStatus and printTime fields, plus a totalPayments array. |
| 26.04.2024 | In the payments block of the /sale and /refund methods, the bankName parameter has been added. In the extraPayments array element of the /sale and /refund methods, the trxParams parameter has been added. |
| 13.05.2024 | The documentExtID optional parameter has been added to the /sale, /refund, /check_status, and /check_copy requests. |
| 23.11.2024 | The /close_shift request now supports an optional openOrdersOperation parameter. |
| 10.07.2025 | API & Structure update |