GraphQL is an API spec that allows data source agnosticism, reducing over-fetching of data, and providing automated documentation and auto-suggestion while writing queries. It's supported by a growing community and has benefits such as performance improvements for highly interconnected data and mobile applications. The Hasura GraphQL Engine offers a compiler approach to query execution, leveraging PostgreSQL's optimizations and capabilities, including automated caching and extensibility. To achieve enterprise-grade GraphQL APIs, it's essential to have co-located and distributed databases and services, scalable globally, focusing on performance, security, and reliability. A checklist is provided for achieving these outcomes in the Hasura GraphQL Engine.