{
  "name": "GATH Agent Rate API",
  "version": "1.0.0",
  "description": "AI Agent 专用运价查询接口",
  "endpoints": {
    "GET /rates": "查询运价（支持过滤）",
    "GET /rates/stats": "获取运价统计信息",
    "GET /health": "健康检查"
  },
  "authentication": {
    "type": "Bearer",
    "header": "Authorization: Bearer ***"
  },
  "query_parameters": {
    "origin": "起运港（模糊匹配）",
    "destination": "目的港（模糊匹配）",
    "pod": "独立匹配记录 pod 字段（模糊匹配），不是 destination 别名；同时提供时取交集",
    "pol": "独立匹配记录 pol 字段（模糊匹配），不是 origin 别名；同时提供时取交集",
    "carrier": "船东（精确匹配）"
  }
}