The syllabus follows the GraphQL API Engineering exam domains, with the most time spent on the heaviest-weighted areas and your weakest topics.
Schema, nullability and operations
Resolvers, pagination and batching
Tenant, object and field authorization
Depth, complexity, rate and persisted-operation controls
Caching, telemetry, errors and evolution
Federated schema and entity design
Ownership, review and composition governance
Client operation compatibility and evolution
Router, subgraph security and resource controls
Failure injection, observability and rollback
Domain weights come from the published exam outline used in PrepKloud projects. We recheck the latest official API Engineering objectives with you in the first session.