GraphQL is a versatile query language and runtime for APIs that allows clients to request specific data from servers efficiently, enabling the retrieval of all necessary information in a single request, unlike RESTful APIs. This efficiency reduces network latency and accelerates development time by minimizing the need for multiple requests. When integrated with JFrog Artifactory, GraphQL queries can retrieve metadata about packages through customizable queries, providing only the requested information and thus optimizing data retrieval. Users can execute tasks like retrieving package versions, scanning for vulnerabilities, and creating cleanup processes. JFrog offers GraphiQL, a simplified IDE for testing GraphQL queries and exploring metadata schemas, accessible via a specific endpoint. Authentication for using GraphQL and GraphiQL requires generating an Access Token. An example query demonstrates how GraphQL can retrieve specific package data, including name, type, and version details, for packages containing the string "hello" and belonging to types like Pypi, NPM, or Docker.