# About WaterDrop


WaterDrop is a standalone gem that sends messages to Kafka easily with an extra validation layer. It is a part of the [Karafka](https://github.com/karafka/karafka) ecosystem.

It:

- Is thread-safe
- Supports sync producing
- Supports async producing
- Supports transactions
- Supports buffering
- Supports producing messages to multiple clusters
- Supports multiple delivery policies
- Works with Kafka `1.0+` and Ruby `2.7+`
- Works with and without Karafka

Please visit the [Getting Started](https://karafka.io/docs/WaterDrop-Getting-Started.md) page for instructions on installing, configuring, and using WaterDrop.

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## About WaterDrop / See Also

- [Getting Started](https://karafka.io/docs/WaterDrop-Getting-Started.md) - For installation and setup instructions
- [Producing Messages](https://karafka.io/docs/Producing-Messages.md) - For message production techniques
- [Usage](https://karafka.io/docs/WaterDrop-Usage.md) - For detailed usage examples and patterns


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*Last modified: 2026-02-15 21:11:18*