Apollo Engine is a new turnkey infrastructure that helps developers take GraphQL services into production with confidence. It delivers essential capabilities like query caching, error tracking, and execution tracing on top of any spec-compliant GraphQL server, including Apollo Server, GraphQL-Ruby, Sangria, and Absinthe. Engine provides integrated GraphQL query caching, error tracking, query execution tracing, schema analysis, API usage trends, and a hybrid prem architecture that offers low latency, high availability, and security. The new feature of GraphQL-aware caching allows for performance optimization features to be optimized in the query path, enabling developers to specify exactly what parts of a response can be cached and for how long. Apollo Engine is free forever for the first million requests each month and costs $9 per additional million queries beyond that.