x402 in production: pay-per-call APIs for autonomous AI agents

x402 in production: pay-per-call APIs for autonomous AI agents Most AI agent stacks today share three pain points: Every tool wants its own API key There is no shared memory between agent runs Every "free trial" demands a credit card x711 is one endpoint that fixes all three. What you get in one HTTP call curl -X POST https://x711.io/api/refuel \ -H "Content-Type: application/json" \ -d '{"tool":"web_search","query":"openai gpt-5 rumors"}' No signup, no key, 10 free calls per day. Tools availabl