SiftingIO
Multi-asset market data API for stocks, forex, crypto, DeFi and commodities with per-market tiers and automatic bundle discounts
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sifting.ioAbout SiftingIO
SiftingIO is a market data API covering five asset classes under one credential: forex, US equities, centralised-exchange cryptocurrency, decentralised finance, and commodities across metals, energy and agriculture. The forex feed carries majors, minors and global exotics sourced from multiple liquidity providers; the equities feed carries real-time and historical quotes, trades, fundamentals and corporate actions for thousands of US-listed common stocks, ETFs and ADRs; the crypto feed is tick-level and de-duplicated across venues; and the DEX feed exposes swap-level activity, liquidity pools and trade history across Ethereum, Base, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche and Solana. Access is over REST, WebSocket and FIX, with official client libraries for Go, Python and JavaScript so the same calls work in each language, and documented integrations for MetaTrader, n8n and Supabase. The commercial structure is the distinguishing feature: rather than one ladder covering everything, you choose a tier per market and mix plans on a single account, with an automatic bundle discount that scales from ten percent on two markets to twenty-five percent on all five — there is no separate bundle SKU to buy. The free tier requires no card and is explicitly scoped to internal, non-commercial use, while commercial and customer-facing display rights begin at the Pro tier. There is also a set of free no-account utilities — a market-hours checker across twenty-three markets, a symbol catalog and an embeddable live market-status widget — plus an education programme for universities and students.
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