What is API gateway used for?

What is the difference between API Manager and API gateway?

Can anyone explain me the difference between API Manager and API gateway?

It is said API manager and gate way both are gateway related.But I did not understand it what is exactly meant by Gateway?I want to know the real difference.

2 Answers.
An API gateway acts as a proxy between a client and a backend service. It helps route calls to the backend server according to various rules.

From the perspective of an API-implementing service, an API gateway can be configured to handle a specific type of request, while also defining a set of conditions and forwarding requests to the right service. In this scenario, you need an API gateway because you want to decouple your application from any specific backend service.

On the other hand, when you deploy an API gateway as part of your API-based solution, the gateway could be used to route calls to different services in a variety of ways: You may choose to have one gateway for each service you support. You may decide to allow clients to register their own callers and have the gateway route requests to whichever service they're authorized to call. The same gateway might be configured to forward different requests to one or more backend services, depending on the results of some internal query. The same gateway may serve requests with different types of headers, forwarding the requests to different backends based on the type of header. If you're familiar with the basic architecture of a REST API, then you can probably guess the rest. An API gateway is simply a component that sits in front of your application services, helping you to implement a REST API.

API Managers and Gateways. They look similar at first glance. They both appear to sit in front of your applications. The difference is, an API gateway sits in front of an entire backend service, and an API manager (or API proxy) sits in front of a single application service.

An API Manager is often used in combination with an API Gateway; that is, the API manager sits in front of the application service to which you want to expose a REST API, and the API gateway sits in front of your actual backend service. With an API Manager, you would configure your application to make calls to the API manager. The API manager would then forward the request to the application, as well as route the response to the proper endpoint in the backend.

What is API gateway used for?

What are its strengths and weaknesses?

How it can be used in different verticals?

Let's dive into all those questions in this article and discover how API gateway is a great tool to transform APIs into an API management solution. What is API Gateway? One of the best practices from which every developer is learning is the practice of creating an API. There are several advantages that one can get from implementing this practice. But the most important benefit is that with an API we achieve the following things:

First, we have a unique and simple interface through which our customers can connect with our services. By offering an API, we offer them an elegant way of interacting with us. In this era of the internet, it's better than anything else we can offer. It is the most powerful marketing tool we have. When you need to create a connection between your website and the outside world, or even when you want to keep your customers engaged and make them love you, the best possible way is by an API.

The second advantage is scalability. Once you give your API in a public place, it becomes extremely easy to connect with it. There is nothing that could hinder it in terms of being connected to different applications, bots, and so on. It's a scalable solution.

If your API gets more popularity then your API gateway, of course, it follows the same trend. However, the only reason why people come to it is because it offers them a convenient way of connecting to it, and not because it's also getting popular.

So, now that we have an idea of what API Gateway is and how it works, let's get deep into its various features, benefits, and uses. The Advantages of API Gateway. As you may have already guessed, API Gateway offers a wide array of benefits. Here are the topmost benefits of using an API gateway as per the research published by O'Reilly.

Customers love APIs. As much as they try to create an interface, your interface is never as elegant and beautiful as an API. Once an API is implemented, your business will immediately benefit from it.

This was a tough debate between ease of creation and performance.