Michał Dziewanowski-3DS-rules

[onyx sinew]

Yes, radar supports rules for when to request 3DS https://stripe.com/docs/radar/rules#request-3d-secure

Though keep in mind it is ultimately up to the issuer to prompt for 3DS auth or not

So they may require 3DS auth when you don't request it and may not require 3DS auth when you do request it.