Add AWS API Gateway

README.md

@@ -247,7 +247,12 @@ the Design of Network-based Software Architectures](https://www.ics.uci.edu/~fie
 * [Mockoon](https://mockoon.com) - Easily create mock APIs locally. No remote deployment, no account required, open source.
 * [Mockintosh](https://mockintosh.io/) - A mock server generator that's capable to generate RESTful APIs and communicate with the message queues to mimick asynchronous tasks.
 
+### Validating
+
+* [JSON Schema](http://json-schema.org/) - Declarative language that allows you to annotate and validate JSON documents
+
 ### Public REST APIs To Use In Tests
+
 * [Deck of Cards API](https://deckofcardsapi.com) - Open API for simulating a deck of cards.
 * [ProgrammableWeb](https://www.programmableweb.com/apis/directory) - The world's largest API repository.
 * [Public APIS](https://github.com/public-apis/public-apis) - Explore The Largest API Directory In The Galaxy.
@@ -272,7 +277,8 @@ the Design of Network-based Software Architectures](https://www.ics.uci.edu/~fie
 * [API Umbrella](https://github.com/NREL/api-umbrella) - API management platform for exposing web services, with web interface and analytics, written in Lua.
 * [WSO2 API Management](https://github.com/wso2/product-apim) - API management tool with lightweight gateway and API lifecycle management, written in Java.
 * [Express Gateway](https://github.com/ExpressGateway/express-gateway) - Microservices API Gateway built on top of ExpressJS (Node.js).
-* [KrakenD](https://github.com/devopsfaith/krakend) Ultra performant API Gateway with middleware. Written in Go.
+* [KrakenD](https://github.com/devopsfaith/krakend) - Ultra performant API Gateway with middleware. Written in Go.
+* [AWS API Gateway](https://aws.amazon.com/api-gateway/) - Fully managed service that helps developers to create, publish, maintain, monitor, and secure APIs at any scale.
 
 ## SaaS Tools