Stripe separates agent checkout and machine paymentsStripe documents agent checkout through ACP/UCP and machine payments through MPP/x402. Its agent-facing commerce section is marked private preview in the retained page.TIBBIR UNIVERSE THIS IS TIBBIR How to get TIBBIR Ribbit in numbers Connected clues Account archive Bridge & contracts On-chain research Connections Community The story Reading room Network map Timeline Findings Source library Conversations People & companies Open questions Export & reuse