June 3, 2026 I Built the Agent That Pays — Here's What I Learned

TL;DR: A couple of weeks ago I wrote about HTTP 402 and why AI agents might finally activate the internet’s oldest unused status code. The post sparked a real discussion, so I built it: a research age…

May 19, 2026 HTTP 402: The 30-Year Placeholder That AI Agents Finally Activated

TL;DR: HTTP 402 “Payment Required” has been reserved since 1997 but never used — because humans can’t approve per-page charges fast enough. AI agents can. The x402 protocol (Coinbase, 2025) revives 40…