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What are the various kinds of AWS API Gateway Protocols?

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

1. RESTful API

That is the most typical and broadly used protocol for net APIs. Amazon API Gateway lets you create and handle RESTful APIs, the place you outline API assets, strategies (equivalent to GET, POST, PUT, DELETE, and so on.), and HTTP request and response mappings utilizing API Gateway’s REST API mannequin.

Main use-cases embody

  • Constructing conventional net APIs with customary HTTP strategies (GET, POST, PUT, DELETE, and so on.) and resource-based URLs.
  • Exposing APIs for legacy methods or third-party integrations that observe RESTful ideas.
  • Constructing APIs which are consumed by a variety of shoppers, equivalent to net browsers, cell apps, and IoT gadgets.

2. WebSocket API

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

Main use-cases embody

  • Constructing real-time purposes that require bidirectional communication between shoppers and servers, equivalent 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 instantaneous updates and push notifications.


It is 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 typically really helpful for constructing APIs for serverless purposes, single-page purposes (SPAs), and cell purposes.

Main use-cases embody

  • Constructing serverless purposes that use AWS Lambda because the backend, the place APIs act as triggers for Lambda capabilities.
  • 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 instances, 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 frequent use instances, and the suitable protocol to your API in Amazon API Gateway will depend on your particular necessities and use case. It’s really helpful to totally perceive the options, capabilities, and trade-offs of every protocol earlier than selecting the suitable one to your API implementation.



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