Klarna
./ShopPay-later and payment methods wired into agentic checkout, an early UCP adopter
OpenAPIllms.txtUCP
$ protocol support
$ payment protocols
UCPUniversal Commerce ProtocolGoogle, Shopify · commerce
Open standard for agentic shopping journeys across retailers, pairing with AP2 for the payment leg
$ agent access
authAPI Key
onboardingPartial — dashboard signup, then API key
tosExplicitly welcomes bots
webhooksYes
free tierNo
billingper-transaction
#payments#bnpl#ucp#checkout
https://www.klarna.com
// last verified 8/26/2026
// run this service? claim this listing · suggest an edit