How to use a market data API in a web app without exposing your API key
Keep your market data API key out of browser code. Build a server-side quote route with allowed symbols, access checks and safe error handling.
Category · Dashboards & Frontend
Dashboards & Frontend
Charting, live UIs, and frontend integration patterns.
Latest in Dashboards & Frontend
Plotting trades on a price chart: get the exact 1-minute bar at the fill time
How to fetch the exact 1-minute OHLCV bar under each trade fill for stocks, forex, and crypto with one API, with verified page limits, intervals, and pagination.
Market hours widget: embed a live open or closed badge with one iframe tag
Embed a free market hours widget with one iframe tag: live open and closed status for 23 equity markets plus forex and crypto sessions. No account needed.
The market data behind an investor relations page
What an investor relations page needs from a market data API: delayed quotes, five-year OHLCV charts, self-updating XBRL financials, and a build checklist.
US stock market data API: build a live price chart with historical bars and real-time ticks
Build a live US stock price and chart page: backfill adjusted OHLCV history over REST, stream real-time ticks over WebSocket, and handle market sessions.