Front-End Web & Mobile

Category: AWS AppSync

7 ways to reduce latency in your AppSync API

7 ways to reduce latency in your AWS AppSync API

Overview AWS AppSync is a serverless GraphQL service that makes it easy to create single endpoint GraphQL and realtime APIs. AppSync lets you combine disparate data sources and deliver the results to applications in an expected format, as specified by your API’s schema definition. As with any GraphQL service, there are mechanisms in place to […]

Announcing server-side filters GraphQL subscriptions with AWS Amplify

Today, AWS Amplify is launching the ability for you to filter real-time GraphQL subscription events service-side with Amplify CLI version 10.3.1. This gives developers the ability to optimize network traffic by only getting the real-time events for the data they care about. For example, for a live stream broadcasting website, developers can now filter the […]

Build real-time multi-user experiences using GraphQL on AWS Amplify

Today, AWS Amplify announces new real-time authorization capabilities enabling developers to build collaboration experiences with only a few lines of code. This features enables developers to share data between users by simply appending an “array” of data owners. Update to Amplify CLI version 10.3.1 and above and deploy your GraphQL API to enable this feature. […]

Building a full-stack chat application with AWS and NextJS

June 27, 2024: This blog post covers Amplify Gen 1. For new Amplify apps, we recommend using Amplify Gen 2. You can learn more about Gen 2 in our launch blog post. Modern chat apps require a rich set of features. These features include file storage, real-time updates, and the ability to fetch data on both the […]

Building a GraphQL API with Java and AWS Lambda

Modern applications are driven by rich UI experience. GraphQL APIs are gaining popularity with developers and teams of all sizes as an alternative to REST APIs to support these applications. AWS Lambda is a serverless, event-driven compute service that lets you run code for virtually any type of application or backend service without provisioning or […]

How to enforce user quota on AWS AppSync with Lambda Authorizer

API Quotas define the valid amount of calls available for a consumer during a specific amount of time. Enforcing quotas protects your API from unintentional abuse, minimizes data exfiltration and protects your resources from excessive usage. Beyond the mentioned security benefits, it can also unlock your capabilities to monetize the digital assets sitting behind the […]

Single-table vs multi-table DynamoDB design patterns with GraphQL APIs and AWS AppSync

This article was written by Joe Tronolone, Program Manager Intern, AWS GraphQL is a query language for APIs and a runtime for fulfilling those queries with your existing data. GraphQL provides a complete and understandable description of the data in your API, giving clients the power to ask for exactly what they need and nothing […]

Introducing template evaluation and unit testing for AWS AppSync resolvers

AWS AppSync is a managed serverless GraphQL service that simplifies application development by letting you create a flexible API to securely access, manipulate, and combine data from one or more data sources with a single network call. In GraphQL, developers write resolvers, units of code that implement the business logic that controls how to fetch […]

ResMed Improves Agility and User Satisfaction Using AWS AppSync

Digital health leader ResMed is one of the leading global providers of cloud-connected solutions for people with sleep apnea, COPD, asthma, and other chronic conditions. In 2021, ResMed helped improve the lives of over 133 million people in over 140 countries. Now, ResMed has a goal to improve 250 million lives in 2025, and it […]

Creating serverless GraphQL APIs from RDS databases with AWS AppSync and PostGraphile

GraphQL is a query language for APIs that provides an understandable description of the data in your API, and that allows clients to ask for data in the shape that they need it. GraphQL helps developers implement applications faster, by giving developers the ability to query multiple databases, microservices, and APIs with a single GraphQL […]