{"ok":true,"tool":"Percentage Calculator","operation":"percentage-of","description":"Calculate X% of Y.","method":"POST","endpoint":"/api/percentage-of","webUrl":"https://ultraquick.tools/tools/percentage-calculator","parameters":{"type":"object","properties":{"x":{"type":"number","description":"The percentage (e.g. 20 for 20%)"},"y":{"type":"number","description":"The value to take the percentage of"}},"required":["x","y"]},"response":{"type":"object","properties":{"result":{"type":"number","description":"x% of y"}}},"example":{"request":{"x":20,"y":50},"response_shape":{"type":"object","properties":{"result":{"type":"number","description":"x% of y"}}}},"howToCall":"POST a JSON body to https://ultraquick.tools/api/percentage-of. Returns {\"ok\":true,\"result\":{...}} on success or {\"ok\":false,\"error\":\"...\"} on failure. No auth, CORS-enabled.","parametersSummary":"  x (number, required) — The percentage (e.g. 20 for 20%)\n  y (number, required) — The value to take the percentage of","curlExample":"curl -X POST https://ultraquick.tools/api/percentage-of -H \"Content-Type: application/json\" -d '{\"x\":20,\"y\":50}'"}