Kraken API
Payward, Inc. (Kraken) · Financial analysis & investing
REST, WebSocket and FIX interfaces to the Kraken cryptocurrency exchange for market data, spot and derivatives trading and account management
ProprietaryFreeUsage-basedNov 2, 2026
Directory
2 tools
Results
Massive (formerly Polygon.io)
Massive (Polygon.io, Inc.) · Market & fundamentals data
Market data platform (renamed from Polygon.io in October 2025) with REST and WebSocket APIs, flat files and SQL access for US stocks, options, indices, forex, crypto and futures
ProprietaryPaidEnterpriseNov 2, 2026
Page 1 of 1
Share this view: /tools?tag=websocket&exec=cloud&source=proprietary