Kafka Client APIs
Confluent Cloud provides comprehensive client libraries for producing and consuming messages from Kafka clusters. These client libraries offer idiomatic APIs for your preferred programming language, with full support for modern Kafka features including authentication, compression, transactional messaging, and guaranteed message delivery.
The following client APIs are available:
- .NET Client
Full-featured Kafka client for .NET applications. Supports all .NET Framework and .NET Core versions with high-performance message handling, automatic reconnection, and comprehensive metrics reporting. Ideal for C# and F# applications. For more information, see the .NET Client API documentation.
- C++ Client
High-performance Kafka client library librdkafka for C and C++ applications. Provides low-level control with minimal overhead, making it suitable for latency-sensitive applications and embedded systems. For more information, see the C++ Client API documentation.
- Go Client
Native Go Client library for Kafka with goroutine-safe design. Offers clean Go idioms for producing and consuming messages, with support for context-based cancellation and structured configuration. For more information, see the Go Client API documentation.
- Java Client
Official Kafka client for Java applications. The most feature-complete client with support for all Kafka protocols, administrator operations, and advanced features like custom partitioners, interceptors, and stream processing integrations. For more information, see the Java Client API documentation.
- JavaScript Client
Modern JavaScript and TypeScript client for Node.js applications. Provides Promise-based and async/await patterns for intuitive message handling in server-side JavaScript applications. For more information, see the JavaScript Client API documentation.
- Python Client
Production-ready Kafka client for Python applications. Supports both synchronous and asynchronous message handling with Python APIs and comprehensive error handling. For more information, see the Python Client API documentation.
Each client library includes comprehensive documentation with API references, configuration guides, code examples, and best practices for production deployments. All clients support authentication with Confluent Cloud using API keys, OAuth, and SASL mechanisms.