S. stocks and options market data, designed to support developer workflows such as building backtests, scanners, and trading dashboards. The service provides structured JSON data, quote-aware historical records, and listed option contracts, with delivery via both REST and authenticated WebSocket streams. It is engineered to supply reproducible and auditable market data, emphasizing explicit data contracts, status visibility, and repeatable checks for stock and options workflows.
The tool features endpoints for retrieving full options chain snapshots, single contract snapshots, Greeks and implied volatility, historical NBBO quotes at nanosecond resolution, trade-level tick data, aggregated OHLCV bars, and technical indicators such as SMA, EMA, and RSI. Users can access up to 10 years of historical data for stocks and options, and the API is organized to keep key financial concepts—such as price, quote, trade, chain, contract, snapshot, aggregate, and indicator—distinct and accessible. Additional tools include calculators, decoders, scanners, and realism checkers, as well as an expiration calendar and an OCC/OSI symbol decoder for parsing option contracts.
CuteMarkets is tailored for developers and traders who require reliable, detailed, and explainable market data for research, backtesting, and live monitoring. The platform supports B2B customers with German billing formats and EU tax invoices, including VAT and reverse-charge handling. The service is headquartered and engineered in Germany, and is built by traders with a focus on developer needs for reproducibility and transparency.
Pricing information is available for free, developer, expert, and commercial plans, with the ability to create an account and generate an API key for access. The platform also provides operational material for evaluation prior to signup, including coverage details, live versus delayed data context, and documentation on REST and WebSocket access methods. S. stocks and options market data APIs.
In the API design, testing & docs space, CuteMarkets takes a focused approach. It focuses on accessing reliable U.S. stock and options market data for trading, backtesting, and analytics. CuteMarkets is a B2B product aimed at developers building trading and analytics tools. CuteMarkets follows a freemium model. The product ships for the web, the command line, and API.
CuteMarkets first shipped in 2026. The project is developed in the open on GitHub with 27 stars and 10 commits in the last 90 days. Across PulseGate's embedding index, CuteMarkets has few near neighbours, marking it as relatively distinct. Among its 5 catalogued features are market data API, REST & WebSocket, and backtesting support. It exposes integrations via a public API.
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