SiftingIO

Cryptocurrency prices aggregated across major venues, US-listed equities (common stocks, ETFs, and ADRs) with corporate actions and standardized fundamentals, foreign exchange majors, minors, and global exotics sourced from multiple global liquidity sources, commodities (precious and industrial metals, energy benchmark

A single bearer token on every REST and WebSocket request. The same API key works across all products, versions, and channels, so you don't juggle credentials per endpoint or re-issue keys when you add a new market.

Free-tier defaults are generous enough to evaluate and run small workloads. Paid tiers scale linearly with your usage, with transparent overage pricing and no surprise throttling mid-backtest. Exact numbers are published on the pricing page and surfaced via response headers.

Yes. Tick-level history and OHLCV candles are included, not an upsell. Backfill covers the ranges needed for research, backtesting, and audit. Historical depth is included on every plan that covers the underlying asset class.

Cryptocurrency prices are aggregated across major venues and normalized into a single canonical view, so you get one feed instead of stitching venues yourself. US equities, ETFs, and ADRs are sourced from established market data providers, with corporate actions applied. Forex quotes are sourced from multiple global li