At DIDW 2007 I heard Sid Sidner talk about variable claims and how they could be used for online payment. Kim Cameron , who sat next to me during Sid's talk, suggested that I should include this into the openinfocard id selector . Today I uploaded two new applications to xmldap.org. You can use the STS to create a paymentCard and import it into the openinfocard id selector: Next go to the paymentCard relying party . You can change the price to see that the claim can be changed by the merchant. Type