WyWallet WyWallet sms payment api version
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- 3.4.1 PostbackRequest
- 4ProductID
3.4Postback servicePlease note that the Postback service only is activated (manually by WyWallet) when the merchant needs high performance (e.g. tv voting) and the merchant account is configured as an Asynchronous account. The default setting for a merchant account id Synchronous where postbacks are not used. In order to receive a receipt from an asynchronous request (transaction), each merchant (or aggregator/PSP) must implement a Postback service. The WyWallet MAP system will send out payment status as soon as the transaction is processed. The system will send an ordinary XML over HTTP POST over SSL with a single parameter named PostbackRequestWrapper that contains an XML document (se example below). We strongly recommend you to verify the MAC code in the XML using your shared key and the submitted data to authenticate the request before delivering the purchased service/goods. PostbackRequestWrapper Header -> see section 3.1.1 PostbackRequest -> Footer -> see section 3.1.3 PostbackResponseWrapper Header -> see section 3.1.1 Status -> see section 3.1.2
MAC implementation: The MAC sent in the footer of the XML document is computed the same way as in the requests. The following parameters are used to compute the hash:
The post back service should validate the MAC sent by the MAP service to protect against fraud. Sample PostbackWrapper XML sent by MAP: The Postback service should return an XML document in the HTTP BODY in the response to acknowledge that the postback XML has been received. Sample reply message: 4ProductIDThis is the list of valid productID:s that needs to specified for each purchase. The productID are used for end-customer that has selected payment method is via the operator subscription and these productID will render specific descriptions on the invoice.
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