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The One Click service allows a regular customer of a merchant to make new purchases without entering card data. The payment requires only confirmation by the CVC2 code. However, for subsequent operations CIT COF with a saved card, CVC2 will usually not be requested (except the cases where special settings are made at the request of the merchant).
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After the customer completes the payment for the order, a message with the payment parameters can be sent to the server of the merchant using the HTTP POST or SOAP method (for more details, see section 3.5 of the document «Setting up the technical interaction with IPS Assist») or the merchant can request the payment results by calling the orderresult web service.
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When the merchant builds the next order, it is possible to redirect to the IPS Assist payment page to pay with the earlier saved card. In this case, the merchant must send order data with a unique customer number, i.e. in addition to the authorized request parameters, it is necessary to transfer the CustomerNumber.
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This parameter must not be transmitted simultaneously with the RecurringIndicator, RecurringMinAmount, RecurringMaxAmount, RecurringPeriod, RecurringMaxDate parameters. |
All actions related to payment by a saved card are performed on the Assist side.
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Parameter | Mandatory field | Adopted values | Default value | Description |
RecurringIndicator | NoYes | 1 –recurring payment | 0 | Recurring payment indicator |
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RecurringMinAmount | Yes | Number, 15 digits, two digits after the delimiter (delimiter '.') | Min amount of recurrent payments. Mandatory if RecurringIndicator = 1
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RecurringMaxAmount | Yes | Number, 15 digits, two digits after the delimiter (delimiter '.') | Max Amount of recurrent payments. Mandatory if RecurringIndicator = 1
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RecurringCount | Yes | Number, 3 digits | Frequency of recurrent payments in days. Mandatory if RecurringIndicator = 1
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RecurringMaxDate | Yes | Date as string in DD.MM.YYYY format | The end date of recurrent payments. Mandatory if RecurringIndicator = 1
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Payment will be made as a MIT COF operation only if the corresponding processing is set up for the merchant in the IPS Assist. Otherwise, the transaction will be carried out as a regular recurrent payment
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