SiftingIO gives developers live prices and historical OHLCV for US stocks, forex, crypto and commodities through consistent APIs. Use REST for snapshots and historical bars, and WebSocket for live updates. Build charts, portfolio tools, alerts and financial research workflows without maintaining a separate integration for every asset class. SDKs, documentation and an MCP server support application and AI-tool integrations. Start with a free account; coverage, access and usage limits vary by plan. Commercial display and other data uses follow the applicable plan and licensing terms.