{"service":"公开AI网关","description":"提供免费的AI API服务","endpoints":{"/v1/chat/completions":"聊天完成API（兼容OpenAI格式）","/v1/models":"获取可用模型列表","/v1/models/{model_id}":"获取特定模型信息","/v1/dashboard/billing/usage":"获取计费使用情况","/v1/dashboard/billing/subscription":"获取订阅信息","/v1/{path}":"未显式实现的OpenAI兼容接口将自动透传上游","/health":"健康检查"}}