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The merchant can organize replenishment of the client’s personal wallet through SSIS ERIP. The customer of the merchant will be able to use the wallet funds for subsequent payment of the order. To identify a customer, you can use a phone number, email address or other client ID. Verification is carried out using a pre-agreed ID (the customer must know what exactly needs to be used as an ID on the SSIS ERIP side to start top up his wallet).

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• the customer finds the merchant in the SSIS ERIP catalog and enters his ID;
• SSIS ERIP sends a request to IPS Assist with the specified customer ID;
• IPS Assist sends a request to the merchant asking whether it has a customer with this ID; 
• the customer specifies the amount to top up the wallet and begins the payment process through SSISERIP;
• SSIS ERIP sends a request to IPS Assist, then payment is made according to the existing advance payment scenario (the order number is generated automatically), the customer table is not used if there is verification from the merchant;
• after payment is made through SSISERIP, IPS Assist sends the authorization result to the merchant server with the customer ID and credit amount, the order/operation number in a result allows you to exclude duplicates on the merchant side.

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