Front-End Web & Mobile

Tag: AppSync

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 […]

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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 […]

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Case Study: State Auto cuts production time to a day using AWS AppSync and AWS Amplify

State Automobile Mutual Insurance Company (State Auto), a property and casualty insurer operating in 33 US states, provides insurance products covering personal, commercial, farm and ranch, and workers’ compensation risks. In 2019, State Auto decided to create a cloud-native version of its traditional technology stack using Amazon Web Services (AWS). State Auto sells insurance products […]

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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 […]

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How FINRA Built Xpand Reality, an Augmented Reality Simulation App for Investor Education

This is a guest blog by Sumalatha Bachu [Director, Technology] and Kumar Siddhartha [Lead Developer], Financial Industry Regulatory Authority (FINRA). FINRA is dedicated to protecting investors and safeguarding market integrity in a manner that facilitates vibrant capital markets. 2021 marked FINRA’s sixth annual internal hackathon, entitled the Createathon. The three-day event is an important part […]

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Useful AWS AppSync GraphQL Utility Helpers you might not know about

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. With GraphQL, special functions called Resolvers are used to implement business logic linking or “resolving” types, fields, or […]

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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 […]

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Apollo GraphQL Federation with AWS AppSync

This article was written by Florian Chazal, Senior Specialist Solutions Architect, AWS   Update (August 2022): This blog post has been updated to comply with the new Apollo Federation spec v2.0. If you are migrating from v1 check the official documentation. Apollo Federation is an architecture and specification used to build and connect multiple distributed […]

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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 […]

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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 […]

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