Front-End Web & Mobile

Category: AWS AppSync

Enhancing Live Sports with the new AWS AppSync filtering capabilities

This article was written by Stefano Sandrini, Principal Solutions Architect, AWS With AWS AppSync you can create serverless GraphQL APIs that simplify application development by providing a single endpoint to securely access data from multiple data sources, and leverage GraphQL subscriptions to implement engaging real-time application experiences by automatically publishing data updates to subscribed API […]

Read More

Implement Multi-Region Serverless (and Functionless) WebSocket Pub/Sub APIs with AWS AppSync and Amazon EventBridge

AWS AppSync allows developers to easily implement engaging real-time application experiences by automatically publishing data updates to subscribed API clients via serverless WebSockets connections. With built-in support for WebSockets, AppSync can seamlessly push data to clients that choose to listen to specific events from the backend. This means that you can easily and effortlessly make […]

Read More

Create real-time applications via serverless WebSockets with new AWS AppSync GraphQL subscriptions filtering capabilities

With AWS AppSync you can create serverless GraphQL APIs that simplify application development by providing a single endpoint to securely query or update data from multiple data sources, and leverage GraphQL subscriptions to implement engaging real-time application experiences by automatically publishing data updates to subscribed API clients via serverless WebSockets connections. Taking advantage of GraphQL subscriptions […]

Read More

How to connect your GraphQL API to AWS data sources

What’s a resolver? A GraphQL Resolver is a function or method that resolves a value for a type or field within a schema. A resolver is the key architectural component that connects GraphQL fields, graph edges, queries, mutations, and subscriptions to their respective data sources and microservices. In this post, we’ll focus on how to build […]

Read More
Client A inserted data into the AWS AppSync endpoint in Ireland. This data was in turn inserted into Amazon DynamoDB, which replicated the data to Sydney. In Sydney, Amazon DynamoDB streams trigger AWS Lambda functions which notify the AWS AppSync endpoint to the new data. Client C receives the new data via its subscription

Multi Region Deployment of AWS AppSync with Amazon DynamoDB Global Tables

As organizations grow, they often need to serve geographically dispersed users with low latency, prompting them to have a distributed global infrastructure in the cloud. By leveraging the AWS Global Network to deploy applications into multiple AWS Regions, organizations can allow their users to connect to an API endpoint in the Region with the lowest […]

Read More

Evolving REST APIs with GraphQL using AWS AppSync Direct Lambda Resolvers

AWS AppSync is a managed GraphQL service that makes it easy to connect disparate data sources into a single cohesive API. GraphQL APIs start with the definition of a schema that defines the data types and queries for accessing them. Data Sources are the backend services that the API will use to fulfill requests. Finally, […]

Read More

Apollo GraphQL Federation with AWS AppSync

This article was written by Florian Chazal, Senior Specialist Solutions Architect, AWS     Apollo Federation is an architecture and specification used to build and connect multiple distributed backend GraphQL (micro)services, exposing a single endpoint and GraphQL schema to API clients and consumers. In this post we explain how to setup an Apollo Federation Gateway […]

Read More

Simple serverless WebSocket real-time API with AWS AppSync (little or no GraphQL experience required)

AWS AppSync simplifies application development by letting applications securely access, manipulate, and receive data as well as real-time updates from multiple data sources, such as databases or APIs. Taking advantage of GraphQL subscriptions to perform real-time operations, AppSync can push data to clients that choose to listen to specific events from the backend. This means […]

Read More

Introducing server-side caching item eviction for AWS AppSync

AWS AppSync is a managed serverless GraphQL service that makes it easy to securely connect to data sources such as Amazon DynamoDB tables, AWS Lambda functions, and more. AppSync offers managed server-side caching that reduces the need to fetch data from your data sources for every single request. This lets developers optimize their GraphQL APIs, and […]

Read More

Introducing configurable batching size for AWS AppSync Lambda resolvers

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. Customers use resolvers attached to AWS Lambda functions to retrieve data from various […]

Read More