{"service":"鹰眼开放平台 API","free_tier":{"endpoints":["stocks","kline","calendar","etf","sectors"],"desc":"公开行情数据, 免费注册即用"},"premium_tier":{"endpoints":[],"desc":"更高调用配额(600次/分钟); 更多数据端点开发中"},"auth":"请求头携带 X-API-Key","disclaimer":"本平台仅提供客观行情与公开数据服务, 不提供任何个股买卖建议, 不构成投资建议"}