X402 vs UCP vs ACP vs AP2 And Why the Answer Isn't Picking a Winner I've spent the last year integrating every major agentic payment protocol into a single SDK. Not studying them from the outside actually writing the adapter code, handling the edge...

The first generation of AI agent failures were funny. The agent booked the wrong restaurant. The agent summarized a document badly. The agent called the wrong internal tool. The agent got stuck in a loop and wasted tokens. The next generation will ...