Amazon CloudWatch Synthetics allows you to monitor application endpoints more easily. With this new feature, CloudWatch now collects canary traffic, which can continually verify your customer experience even when you don’t have any customer traffic on your applications, enabling you to discover issues before your customers do. CloudWatch Synthetics supports monitoring of your REST APIs, URLs, and
![Introducing Amazon CloudWatch Synthetics - Now in Preview](https://cdn-ak-scissors.b.st-hatena.com/image/square/c4f530e16dfb308a48108c71972db725de90d0d5/height=288;version=1;width=512/https%3A%2F%2Fa0.awsstatic.com%2Flibra-css%2Fimages%2Flogos%2Faws_logo_smile_1200x630.png)