market data APIs

https://wiki-net.win/index.php/Financial_Market_Analytics_Evolves_as_Commodity_Data_Demands_Increase

Market data APIs let devs pull real-time stock prices, forex rates, or commodity indexes straight into their apps. Instead of manually scraping web pages, you get clean JSON feeds with timestamps, volume, and bid-ask spreads. I use them to build dashboards that update every second without hitting rate limits.