{"ok":true,"tool":"Leap Year Checker","operation":"check-leap-year","description":"Check whether a year is a leap year under Gregorian rules.","method":"POST","endpoint":"/api/leap-year-checker","webUrl":"https://ultraquick.tools/tools/leap-year-checker","parameters":{"type":"object","properties":{"year":{"type":"number","description":"The year to check"}},"required":["year"]},"response":{"type":"object","properties":{"year":{"type":"number"},"isLeapYear":{"type":"boolean"},"reason":{"type":"string"}}},"example":{"request":{"year":2024},"response_shape":{"type":"object","properties":{"year":{"type":"number"},"isLeapYear":{"type":"boolean"},"reason":{"type":"string"}}}},"howToCall":"POST a JSON body to https://ultraquick.tools/api/leap-year-checker. Returns {\"ok\":true,\"result\":{...}} on success or {\"ok\":false,\"error\":\"...\"} on failure. No auth, CORS-enabled.","parametersSummary":"  year (number, required) — The year to check","curlExample":"curl -X POST https://ultraquick.tools/api/leap-year-checker -H \"Content-Type: application/json\" -d '{\"year\":2024}'"}