Goldsky is a data indexer for web3 developers, offering high-performance subgraph hosting and real-time data replication pipelines. It provides two core products: Subgraphs and Mirror. Subgraphs enable flexible indexing with TypeScript support, webhooks, and more. Mirror allows live blockchain data to be streamed into databases or message queues using a simple YAML configuration. Goldsky-hosted subgraphs can serve as a data source, ensuring seamless data integration without lag.