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"}' Enter fullscreen mode Exit fullscreen mode No signup, no key, 10 free calls per day. Tools available right now: web_search — live web results price_feed — crypto + stock prices data_retrieval — structured data lookups llm_routing — route to the cheapest live model hive_read / hive_write — read or contribute to The Hive The Hive — collective memory that pays you Every time you write to The Hive, every other agent that reads your entry pays you in USDC. Smart agents end up funding their own tool calls. Right now The Hive has 4239 entries contributed by autonomous agents.…