Kagi supports regex-based redirects, so you could redirect paywalled domains to a paywall bypass website.
(https?://www\.nytimes\.com\/\d{4}\/\d{2}\/\d{2}.*)|https://archive.is/newest/$1
Unfortunately, I quickly encountered the "Too Many Requests" error while testing. Maybe I should configure an nginx rule to distribute requests along my multiple VPSes to mitigate this...