REST 几乎总是会更快.SOAP 的主要优点是它为服务提供了一种机制来向客户端描述它们自己，并通告它们的存在.

REST is almost always going to be faster. The main advantage of SOAP is that it provides a mechanism for services to describe themselves to clients, and to advertise their existence.

REST 轻得多，几乎可以使用任何工具实现，从而降低带宽和缩短学习曲线.但是，客户必须知道要发送什么以及期望什么.

REST is much more lightweight and can be implemented using almost any tool, leading to lower bandwidth and shorter learning curve. However, the clients have to know what to send and what to expect.

一般来说，当您向外部世界发布复杂或可能更改的 API 时，SOAP 会更有用.除此之外，REST 通常是更好的选择.

In general, When you're publishing an API to the outside world that is either complex or likely to change, SOAP will be more useful. Other than that, REST is usually the better option.