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REST APIStocks & Equities

Alpha Vantage Stock APIs (REST)

Alpha Vantage Stock APIs (REST) is a rest api from Alpha Vantage providing stocks & equities data. Developer-friendly REST APIs for real-time and historical US/global equity, ETF, and index prices plus fundamentals and technical indicators, returned as JSON or CSV. A Polymarket bot can poll it to track underlying levels (e.g. TSLA or SPX) behind "will close above $X" price markets and to pull earnings/fundamentals for event-driven setups.

At a glance

ProviderAlpha Vantage
TypeREST API
CategoryStocks & Equities
Real-timeNo — request/response
AuthAPI key
PricingFree tier (25 requests/day); paid from $49.99/mo (75 req/min) — Free: 25 API requests/day, Standard: $49.99/mo, 75 req/min (no daily limit), Higher tiers: $99.99-$249.99/mo for 150-1200 req/min, Enterprise: custom contact for unlimited req/min

What data it provides

  • Latest GLOBAL_QUOTE (price/volume) and bulk realtime quotes for up to 100 symbols
  • Intraday bars (1/5/15/30/60min) and daily/weekly/monthly (adjusted) time series
  • Index data for 200+ indices incl. S&P 500, Dow, Nasdaq, VIX
  • Fundamentals: company overview, financial statements, earnings
  • 50+ technical indicators (SMA, EMA, RSI, MACD, Bollinger Bands)
  • Options data (realtime & historical), forex, crypto, commodities, economic indicators

Features

  • 20+ years of historical depth on equities
  • 100,000+ symbols / global coverage; NASDAQ-licensed US market data provider
  • Free tier limited to 25 req/day; premium tiers scale 75-1200 req/min
  • Realtime data and full historical output (outputsize=full) gated behind premium
  • JSON and CSV output formats; spreadsheet/Excel & Google Sheets integration
  • Community SDKs/wrappers in Python, Node.js, and other languages

Links

Use it in a bot

Other stocks & equities data sources

Listed, not endorsed. Pricing and capabilities change without notice — check the provider's own documentation before you depend on anything here. Browse the full data resources directory or the strategy database.
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