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AWS API Gateway

Asynchronous processing with AWS API Gateway and SNS

When you want to build an asynchronous endpoint that can receive your request and process the task(s) in the background, AWS services can be used to achieve that. The technique I cover here allows for parallel asynchronous processing not just asynchronous. The two important services we need are API Gateway and SNS.

AWS API Gateway

AWS API Gateway can act as a proxy for your backend endpoints or lambda function or many AWS Services including SNS. Remember the maximum execution time cannot exceed 29 seconds.

selvam Tue, 01/23/2018 - 03:22
AWS API Gateway and SNS
AWS API Gateway and SNS

AWS API Gateway - Request Response Mapping

AWS API Gateway is a very useful service to put a proxy in front of your backend API, or even have a Lambda function without any backend endpoints. It does support a lot of AWS services. In this blog, I am going to talk about how you can do body mapping for the input request of the response coming back from the backend endpoint. It uses VTL language.

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