This post is written by Vijay Menon, Principal Solutions Architect, and Christian Silva, Senior Solutions Architect.
Today, we announced Amazon API Gateway REST API’s support for private integration with Application Load Balancers (ALBs). You can use this new capability to securely expose your VPC-based applications through your REST APIs without exposing your ALBs to the public internet.
Prior to this launch, if you wanted to connect API Gateway to private ALBs, you would have had to use a Network Load Balancer (NLB) as an intermediary, increasing cost and complexity. Now, you can directly integrate API Gateway with private ALBs without requiring an NLB, reducing operational overhead and optimizing cost.
Previous architecture: Connecting API Gateway to private ALBs
Before this launch, API Gateway REST APIs connect to private ALB resources through an NLB positioned in front of the ALB. Many customers have successfully built and operated…