Kraken
kraken.comProvides REST, WebSocket, and FIX APIs for spot and derivatives cryptocurrency trading, market data, account management, and funding.
The Kraken API uses api key authentication; rate limits: Spot REST call counter (max 15-20 depending on tier); trading engine per-pair counters with decay; Derivatives cost-per-request budget (500/10s). Verified 2026-07-08 with per-field source links.
Free tier
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no sourcePricing model
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no sourcePricing
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no sourceRate limits
Spot REST call counter (max 15-20 depending on tier); trading engine per-pair counters with decay; Derivatives cost-per-request budget (500/10s)
docs.kraken.com ↗OpenAPI spec
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no sourceMCP server
kraken-cli ships a built-in MCP server (kraken mcp stdio) exposing all 151 commands as tools for LLM agents
docs.kraken.com ↗