# 使用前必读
[概述](https://support.huaweicloud.com/api-swr/swr_02_0101.html)
:
[调用说明](https://support.huaweicloud.com/api-swr/swr_02_0102.html)
:
[终端节点（Endpoint）](https://support.huaweicloud.com/api-swr/swr_02_0103.html)
:
[约束与限制](https://support.huaweicloud.com/api-swr/swr_02_0104.html)
:
[基本概念](https://support.huaweicloud.com/api-swr/swr_02_0105.html)
: