From the course: Serverless and Microservices for AWS

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The importance of APIs

The importance of APIs - Amazon Web Services (AWS) Tutorial

From the course: Serverless and Microservices for AWS

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The importance of APIs

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- [Instructor] When microservices need to be directly called rather than triggered by an event or a message, an API is required. Typically, APIs will be called using HTTP. We usually think of APIs as public facing, called from the UX client of an application to get data from the back end. In the AWS serverless ecosystem, this is well supported and easy to use. Completely serverless web applications can be built using S3, with calls back to Lambda functions for dynamic data and interaction. Lambda functions seamlessly integrate with Amazon API Gateway to allow them to be called from your JavaScript based UX. Let's look at an example from our public transit insight dashboard. The dashboard shows a transit map on the left, highlighting track segments where delays are causing problems. On the right, live punctuality metrics are displayed. Below the map, delay insights are displayed. The data that drives this display is…

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