Challenge

This is to redirection from 3DS Requestor side to the 3DS Server.

Note:
• Please refer to the step number 13 in the above diagram.

Request

Redirection with a webform as below:

Field name	Type	Description
returnUrl	String	3DS Requestor’s URL after user completed authentication
threeDsServerTransId	String	Unique Id is generated by 3DS provider.

<form name='InitiateCreqForm' method='POST' action='https://sit-emvacs.2c2p.com/challenge/browser'>
      <input type="hidden" name="returnUrl " value="some URL for 3DS Requestor " />
      <input type="hidden" name=" threeDsServerTransId" value="77372bf8-a8ea-48b9-9459-7b20790a98a5" />
</form>

Response

Display the challenge html from ACS in the browser level