I'm interested in using "Links" as a redemption flow for a points program. Is there a way to limit the maximum redemption price for a given link we generate, an

I'm interested in using "Links" as a redemption flow for a points program. Is there a way to limit the maximum redemption price for a given link we generate, and is there a way to cancel outstanding links via api? edit: reading about it further, it looks like "Links" collects payment from the user, and hence won't work here.