This course covers AWS API Gateway with scalable serverless projects, including chat apps and integrations with key AWS services.

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API Gateway is an important component of the AWS serverless stack and has great potential to enable low latency, low-cost, and secure applications. This course takes you through all aspects of the AWS API Gateway and contains ready-to-use code snippets to implement different patterns of serverless API development in AWS. 

You’ll learn core concepts and get hands-on experience with core API Gateway capabilities. You’ll also dive deep into data mapping and WebSocket APIs and build a fully functional multi-user chat application with WebSocket API. You’ll learn about various services that can integrate with the API Gateway. Throughout the course, you’ll use IaC to provision resources, coupled with an introduction to CloudFormation. You’ll conclude the course by building a fully functional chat application with a bot that listens to the conversation and sends random jokes when asked.

Through detailed lessons covering theoretical and practical knowledge, this course helps you master the AWS API Gateway service.

AWS API Gateway: The Unsung Warrior

## Edge location
Remember that the AWS infrastructure is divided into regions across the world. These regions, distributed across the globe, provide a strong network for all AWS deployments.
The list of regions has grown over the years, but we generally have a few regions in each continent. These are still often far away from most of us, so AWS also has Edge locations. In addition, each region has several Edge locations under it. The Edge location is probably closer to us than the regional data centers.
Of course, the capabilities of Edge locations are lower than those of the regional data centers. They’re strong enough to deploy an API.

## Edge-optimized API
We can configure an API for deployment on the Edge.

In all the Rest APIs we’ve developed so far, we created a regional API. We specify it in the CloudFormation template, `template.yml`, as follows:



# Edge location
Remember that the AWS infrastructure is divided into regions across the world. These regions, distributed across the globe, provide a strong network for all AWS deployments.
The list of regions has grown over the years, but we generally have a few regions in each continent. These are still often far away from most of us, so AWS also has Edge locations. In addition, each region has several Edge locations under it. The Edge location is probably closer to us than the regional data centers.
Of course, the capabilities of Edge locations are lower than those of the regional data centers. They’re strong enough to deploy an API.

# Edge-optimized API
We can configure an API for deployment on the Edge.

In all the Rest APIs we’ve developed so far, we created a regional API. We specify it in the CloudFormation template, `template.yml`, as follows:



Learn the basic concept of regional and Edge APIs, along with the comparison of their performance.

Introduction to API Gateway

API Gateway: High Level View

Getting Started with AWS API Gateway

API Gateway: Basic Configurations

Data Mapping Deep Dive

Leveraging AWS API Gateway for Public API Integration

Websocket Deep Dive

AWS Service Integration Deep Dive

Integrating AWS Services with API Gateway

Appendix

API Gateway Evaluation

Chat Application with Jokes Bot

Building a Chat Application Using Lambda Function and API Gateway

Regional vs. Edge APIs

Edge location

Edge-optimized API