API Reference Directory

Compiler-generated reference trees for the broker, clients, tools, and streams libraries, in each language's native documentation format, all served under krabka.io. The schema registry, gres, and observability repositories do not publish one yet.

These references follow each repository's main branch and may include unreleased APIs. The release tags are context for choosing a component; they do not select a release-specific reference. Check your installed tag's source documentation before copying API calls. See release status and snapshot scope.

Component	Format	Language	Release tag (context)	Documentation
Broker Engine Byte-exact Kafka wire broker, KRaft consensus quorum, tiered storage, and every crate in the broker workspace.	Rustdoc	Rust	v1.1.5	Browse Rustdoc Reference View Guides
Wire Protocol Kafka wire-protocol records, compression, ids, metadata, security, and units shared by the broker and the clients.	Rustdoc	Rust	v0.7.0	Browse Rustdoc Reference View Guides
Rust Client Async producer, consumer, admin, and coordination clients over one broker connection pool.	Rustdoc	Rust	v0.7.1	Browse Rustdoc Reference View Guides
Rust Streams KIP-1071 streams-group client with a typed Processor API, KStream and KTable DSL, and interactive queries.	Rustdoc	Rust	main	Browse Rustdoc Reference View Guides
Command-Line Tools The krabka command and its plugin crates for administration, backup, barriers, and guard.	Rustdoc	Rust	v0.4.6	Browse Rustdoc Reference View Guides
Connect Connect worker and connector crates, including the PostgreSQL change-data-capture source.	Rustdoc	Rust	v0.4.1	Browse Rustdoc Reference View Guides
Kubernetes Operator Custom resource definitions and reconcilers for clusters, node pools, topics, users, connectors, and rebalances.	Rustdoc	Rust	v1.0.2	Browse Rustdoc Reference View Guides
Rebalancer Partition rebalancing goals and the Connect-RPC service that answers KafkaRebalance requests.	Rustdoc	Rust	v0.4.5	Browse Rustdoc Reference View Guides
gRPC Gateway Kafka gRPC gateway, the application SDK crate, and the SDK conformance harness.	Rustdoc	Rust	v0.5.0	Browse Rustdoc Reference View Guides
Java Streams & Arrow Kafka Streams 4.x API, Apache Arrow columnar batches, Schema Registry serdes, and coordination primitives.	Javadoc	Java	v1.4.2	Browse Javadoc Reference View Guides
Go Streams & Arrow Go stream client with Arrow record batching, barrier cuts, schema decoding, and coordination.	Godoc	Go	v0.2.0	Browse Godoc Reference View Guides

Each repository generates its reference from source docstrings (Rustdoc, Javadoc, or Godoc) and publishes it to https://krabka.io/<repository>/.

For architectural overviews, memory management specifications, and runnable tutorials, consult the Documentation Hub.