How a conformance tester caught a regression in Stellar's MPP SDK before it shipped

AI agents are starting to pay for APIs on their own. On Stellar, two protocols make that possible: x402, for one-off paid requests, and MPP, the Machine Payments Protocol, which adds payment channels for agents that call the same API many times. In channel mode the agent signs off-chain commitments instead of paying on-chain every time, and the... Weiterlesen