Is 3D Secure 1 SCA compliant?

3D Secure 1 and 3D Secure 2 are both considered SCA compliant, but 3DS1 will eventually be phased out by the schemes starting in October 2021.

It's important to know that Strong Customer Authentication (SCA) is a mandate coming from PSD2 (which is a regulatory mandate), while 3D Secure 2 is an authentication protocol update from the card schemes, which are commercial entities. Find more information in our docs about 3D Secure for regulation compliance.


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