Apache SkyWalking GraphQL Query API

The SkyWalking GraphQL Query API provides a comprehensive query interface for retrieving observability data including traces, metrics, logs, alarms, topology maps, and profiling results. It supports metadata queries (services, instances, endpoints), topology queries, metrics via SkyWalking Metrics Query Expression (MQE), log queries, trace queries, alarm queries, and profiling queries. The API is served on port 12800 and consumed by the native UI and CLI tools.