AP2 secures purchase/payment authorization with signed mandates and receipts; HTTP payment settlement is a distinct function.Backend’s HTTP-402 discussion should not equate AP2 with x402.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