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What are the several types of AWS API Gateway Protocols?

Amazon API Gateway helps varied protocols for exposing APIs, together with:

1. RESTful API

That is the commonest and broadly used protocol for internet APIs. Amazon API Gateway means that you can create and handle RESTful APIs, the place you outline API sources, strategies (comparable to GET, POST, PUT, DELETE, and many others.), and HTTP request and response mappings utilizing API Gateway’s REST API mannequin.

Major use-cases embrace

  • Constructing conventional internet APIs with normal HTTP strategies (GET, POST, PUT, DELETE, and many others.) and resource-based URLs.
  • Exposing APIs for legacy methods or third-party integrations that comply with RESTful rules.
  • Constructing APIs which are consumed by a variety of shoppers, comparable to internet browsers, cell apps, and IoT gadgets.

2. WebSocket API

WebSocket is a protocol that allows bidirectional communication between internet shoppers and servers over a single, long-lived connection. With Amazon API Gateway’s WebSocket API, you’ll be able to create real-time, interactive APIs that assist two-way communication between shoppers and servers, making it appropriate to be used circumstances like chat purposes, gaming, and notifications.

Major use-cases embrace

  • Constructing real-time purposes that require bidirectional communication between shoppers and servers, comparable to chat purposes, gaming, and collaborative enhancing instruments.
  • Enabling real-time notifications, alerts, or event-driven communication in your purposes.
  • Constructing interactive purposes that require on the spot updates and push notifications.


This can be a extra streamlined and simplified protocol for constructing APIs with Amazon API Gateway. HTTP APIs are designed for serverless architectures and supply options like automated CORS dealing with, simplified authorization, and a extra environment friendly payload format in comparison with RESTful APIs. HTTP APIs are usually beneficial for constructing APIs for serverless purposes, single-page purposes (SPAs), and cell purposes.

Major use-cases embrace

  • Constructing serverless purposes that use AWS Lambda because the backend, the place APIs act as triggers for Lambda features.
  • Constructing APIs for single-page purposes (SPAs) or cell purposes that require simplified authorization and CORS dealing with.
  • Constructing APIs that must deal with numerous requests with low latency, as HTTP APIs are designed to be extremely performant and cost-effective for high-scale workloads.


It’s value noting that every of those protocols has its personal use circumstances, options, and trade-offs, so it’s vital to fastidiously contemplate your particular necessities and use case when selecting the suitable protocol to your API in AWS API Gateway.

It’s vital to notice that these are just a few widespread use circumstances, and the suitable protocol to your API in Amazon API Gateway is determined by your particular necessities and use case. It’s beneficial to completely perceive the options, capabilities, and trade-offs of every protocol earlier than selecting the suitable one to your API implementation.



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