Prompt
market data api real time historical
Latest observation
Here are some popular market data APIs that provide real-time and historical data, depending on asset class and budget:
Stocks / ETFs / Options
- Polygon.io — real-time and historical US stocks, options, forex, crypto.
- IEX Cloud — US equities, some historical and real-time-ish data.
- Alpaca Market Data — stocks and crypto; good if you already use Alpaca trading.
- Tiingo — equities and ETFs, strong historical coverage.
- Intrinio — broad market data, fundamentals, alternatives.
Crypto
- CoinAPI — real-time and historical crypto data across exchanges.
- Kaiko — institutional-grade crypto market data.
- CoinGecko API — good for crypto prices/market caps; more limited real-time quality.
- CryptoCompare — crypto historical and current pricing.
Forex / FX
- OANDA — FX rates, candles, and trading integration.
- Twelve Data — stocks, forex, crypto, indicators.
- Alpha Vantage — free tier available, but rate-limited.
Futures / Global Markets
- Barchart — futures, options, equities, commodity data.
- Refinitiv / Bloomberg / ICE / CME data feeds — enterprise-grade, expensive.
Best general-purpose options
If you want one API for both real-time + historical:
- Polygon.io — very popular for US markets
- Twelve Data — broad asset coverage
- Tiingo — good historical equities data
- CoinAPI — if you mainly need crypto
Quick question
What market do you need?
- stocks
- crypto
- forex
- options
- futures
If you tell me the asset class and your budget, I can recommend the best API and show example requests.
Observation history
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Meta AI,
Qwen.
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