Go
api-go. Spot and Derivatives, REST and WebSocket. The most complete coverage.
Rust
kraken-sdk. Spot REST and WebSocket v2, async-native.
Which one to use
Other tools
kraken-cli
Single-binary CLI for Spot and Derivatives trading. 151 commands, paper trading, scripting, and AI agent support.
MCP server
Built-in MCP server that exposes all CLI commands as tools for LLM agents.
Community libraries
These libraries are not officially maintained by Kraken. Review before using in production.