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Massive vs other market data APIs

Massive sits in the exchange datacenters on direct fiber, with no third party in between. You get the whole US market in one API: stocks, options, and futures, plus forex and crypto. Each comparison shows where Massive leads and where the other vendor leads, with every claim linked to the vendor's own site.

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Who covers what

From each vendor's public pages. "Not listed" means we did not find it on their site.

Asset classes and delivery methods by vendor
VendorUS stocksUS optionsFuturesForexCryptoNon-US stocksStreamingBulk filesMCP serverAI agent skills
MassiveYesYesYesYesYesNoYesYesYesYes
DatabentoYesYesYesNoNoYesYesYesNot listedNot listed
Alpha VantageYesYesNoYesYesYesNoNot listedYesNot listed
Twelve DataYesNoNoYesYesYesYesNot listedYesNot listed
FinnhubYesNoNoYesYesYesYesYesYesNot listed
AlpacaYesYesNoNoYesNoYesNot listedYesYes
TiingoYesNoNoYesYesYesYesNoNot listedNot listed
IntrinioYesYesNoNoNoYesYesYesYesNot listed
EODHDYesYesNoYesYesYesYesNoYesYes
yfinanceYesYesYesYesYesYesYesNoNot listedNot listed

Questions

Which market data APIs have tick-level trades and quotes?
Massive has every US stock trade and NBBO quote back to 2003, with nanosecond timestamps. Databento, Finnhub, Alpaca, Intrinio, and EODHD also sell US tick data, with different history and plans. Alpha Vantage, Twelve Data, Tiingo, and yfinance sell bars and latest quotes.
Which APIs stream real-time data from the whole US market?
Massive Stocks Advanced streams data from 100% of US stock volume. Alpaca and Databento also cover all US exchanges. Twelve Data and EODHD stream from a subset of venues, and Alpha Vantage does not stream.
How much does real-time US stock data cost?
Massive Stocks Advanced costs $199/mo for 100% of US volume, with history back to 2003. If you only need real-time stocks and options, Alpaca can cost less, at $99/mo. Twelve Data and EODHD cost less again, but their real-time US feeds cover only part of the market.
Which market data APIs have a free plan?
Massive (end-of-day data, 5 calls a minute), Alpha Vantage (25 requests a day), Twelve Data (800 credits a day), Finnhub (60 calls a minute), Alpaca (real-time IEX data), Tiingo (1,000 requests a day), and EODHD (20 calls a day). Databento gives $125 in credits, and Intrinio offers a free trial. yfinance is free for personal use, and unofficial.
Which market data APIs cover US options?
Massive, Databento, Alpha Vantage, Alpaca, Intrinio, EODHD, and yfinance. Depth varies a lot: Massive sells real-time OPRA data, and some others sell only current chains or end-of-day prices. Each comparison page has the details.
Which market data APIs have an official MCP server?
Massive, Alpha Vantage, Twelve Data, Finnhub, Alpaca, Intrinio, and EODHD. An MCP server lets an AI agent such as Claude Code call the API as a tool.
Which APIs cover stocks, options, futures, forex, and crypto in one place?
Massive and yfinance. yfinance is unofficial and not licensed for commercial use.

Company and product names are trademarks of their respective owners. Massive is not affiliated with any company on this page. Details come from each company's public pages on the date shown on each comparison, and may have changed since.

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