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A Dummies Guide to Building APIs in Low-code

Building an API Can Be Easy if You Have the Right Approach

Building a fully functional REST API from the ground up is a large project for any developer, and even more challenging for IT professionals unfamiliar with the nuances of how APIs are coded, deployed, and maintained.  A low-code development tool can lighten your load and deal with most of the complexity for you, leaving you with only needing a basic understanding of how API’s work.

So How do API’s Work?

There are a couple of basic, but important concepts that form the basis of an understanding of APIs. To get us started, let’s look at these:

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Spring Cloud Alibaba Sentinel’s Integration With Feign

@FeignClient(name = "service-provider")
public interface EchoService {
  @RequestMapping(value = "/echo/{str}", method = RequestMethod.GET)
  String echo(@PathVariable("str") String str);
}

What Is Sentinel

Sentinel is an open source circuit breaker. It can be part of Spring Cloud Alibaba or as an individual package.

What Is Feign

Feign is a Java to HTTP client binder. It’s aiming to simplify the REST API process.