Massive is an API platform that delivers real-time and historical stock market tick data to developers. It supports REST and WebSocket protocols, offers standardized JSON and CSV formats, and includes a free tier for instant access. Suitable for building trading and analytics apps.
Stock Market API is an API design, testing & docs product. It focuses on accessing real-time and historical stock market data programmatically for financial applications. It is built as a B2B product for developers building financial and trading applications. There is a free tier. It runs on the web, the command line, and API.
Stock Market API first shipped in 2019. Development happens publicly on GitHub with 1.5k stars and 6 commits in the last 90 days. PulseGate's similarity index finds few close equivalents — Stock Market API occupies a relatively distinct niche. Key capabilities include real-time data, historical data, and REST API. It exposes integrations via a public API.
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