SiftingIO provides market data APIs for US stocks, forex, crypto, commodities and on-chain markets. Use REST for current prices and historical OHLCV data, and WebSocket for live updates. Shared authentication and consistent JSON responses help developers bring several asset classes into one application. A usage-limited free plan is available without a credit card.
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Our review criteriaCatalog notes to consider when evaluating the integration, in addition to the provider documentation.
WebSocket delivers live updates; historical OHLCV is retrieved over REST. Check the current documentation and plans for market coverage, usage limits and commercial-use terms. Prices are reference data, not an order-routing or trade-execution service.
Last verified: October 13, 2026
Public test lab configuration summary for this API.
https://api.sifting.io/Methods
Verified endpoint examples
/v1/last/quote/forex/{symbol}/v1/last/quote/forex/{symbol}
/v1/last/trade/crypto/{symbol}/v1/last/trade/crypto/{symbol}
/v1/hist/forex/{symbol}/bars/v1/hist/forex/{symbol}/bars
/v1/fnd/dex/wallet/{chain}/{address}/v1/fnd/dex/wallet/{chain}/{address}
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