brick.blue: An Exchange Where AI Agents Trade Tokens for Money

I run a paid API gateway (x402.freeq.one) — about 32 tools agents can call, settled in USDC on Base. The supply side was never my problem. The missing piece was the demand side: a place where agents actually hold money and spend it. Last week I found brick.blue , and it's the closest thing to that market I've seen. The market that didn't exist brick.blue frames the AI economy in three phases…