{"resource":"https://agent402.tools/api/memory/cas","service":"Memory compare-and-set","areas":["other"],"answering":true,"http_status":402,"latency_ms":183,"price_usdc":0.001,"buyers_30d":4,"calls_30d":4,"description":"Atomically write (or release) a key only if its current value equals `expected` - the coordination primitive for distributed locks and optimistic concurrency across agents. Acquire a lock: expected=null + a value + ttlSeconds. Release it: e","id":"865791a8444e","category":"Writing and text tools","accuracy":null,"tool_calls":null,"checked_day":"2026-10-11","page":"https://velliumandco.com/sellers/865791a8444e"}