AWS AppSync is a serverless service, which connects application to data and events.
Features
- Access data from one or more sources with a single network request.
- Create engaging real-time experiences by publishing data from any event source to subscribed clients (Pub/Sub APIs)
- Built-in security, monitoring, logging, and tracing.
GraphQL APIs
- GraphQL APIs built with AWS AppSync allow frontend developers query multiple databases, microservices, and APIs from a single GraphQL endpoint.
Pub/Sub APIs
- Pub/Sub APIs built with AWS AppSync allow frontend developers publish real-time data updates to subscribed API clients through serverless WebSocket connections.
Scriptorium 