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3DS, short for "3D Secure," is an authentication protocol designed to provide an additional layer of security for online card transactions.

If you are unfamiliar with 3DS 2 and SCA (Strong Customer Authentication), please visit the Introduction section to gain insights into these concepts.

However, if you are already familiar with these concepts, you can directly explore the details about their Impact on existing integrations or explore the API enhancements. These sections provide more in-depth information for your convenience.

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