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In a decoupled authentication scenario, the challenge parameter in the threedsdata data block will be equal to D, and the challengeurl and challengerequest parameters will be absent (block 8). The merchant must in this case keep the order in the In Process state and await the final payment status.
IPS Assist will receive the result of this verification on its server in asynchronous mode (blocks 13, 14). Depending on the authentication result and the settings of the processing and of the enterprise (block 15), the IPS Assist will executes a transaction in processing or completes the operation with an error.
IPS Assist can also duplicate the result of 3D-Secure passing to the enterprise server; for this, the enterprise needs to inform In order for the buyer to be able to return back to the merchant’s website after passing the additional verification, the IPS Assist support service should be informed of the URL to return the buyer and receive the result of passing the additional verification.Receiving Receiving this request will mean for an enterprisea merchant, that the additional verification is completed, and the enterprise merchant can now redirect the customer’s buyer’s browser to the result page on its side and wait for the completion of the payment transaction in processing.
Receipt of the payment result after additional verification is reflected in the diagram in blocks 12, 13, 14.
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The process of receiving the result of an additional verification on the server of the IPS Assist is asynchronous. Only after receiving this result a payment transaction will be processed (or not conducted) in processing, which will lead to blocking of funds on the customer’s card. The merchant should receive the result of the payment transaction from IPS Assist in one of the standard ways. The enterprise can send a request to the receiving of the payment result by order number web service or configure on its side to receive notifications sent by Assist to enterprise server. |
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