AI · alternatives · 2026

24 alternatives to Polygon.io

API for Real-Time stock data

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Polygon.io launched in 2017; newer entries below may have overtaken it.

1. 1
   Polygon.io – Real-time Stock APIs, Forex and Crypto▲12

   Stock API with real-time and historical tick data, unlimited usage via REST or WebSockets, standardized JSON and CSV formats. Instant access free tier.

   2020 · polygon.io · its alternatives →

2. 2
   Polygon Stock Options API▲75

   Real-time and historical data for every options chain

   2022 · massive.com · its alternatives →

3. 3
   StockData.org▲78

   Free real-time, intraday and historical stock data JSON APIs

   2021 · stockdata.org · its alternatives →

4. 4
   Trove▲153

   Real-time AI intelligence for financial transactions

   2024 · trove.headline.com · its alternatives →

5. 5
   Alpaca Data API▲321

   Free real-time stock market data API

   2020 · alpaca.markets · its alternatives →

6. 6
   TrueLayer▲183

   Simple Bank APIs to access real-time financial data

   2017 · truelayer.com · its alternatives →

7. 7
   Quantale▲73

   Realtime stock market data on your fingertips

   2021 · quantale.io · its alternatives →

8. 8
   Square Dashboard▲93

   Real time sales data and analytics for business owners

   2015 · squareup.com · its alternatives →

9. 9
   Native Analytics by Keen IO▲210

   Build and ship analytics features for your users.

   2016 · keen.io · its alternatives →

10. 10UF
    Unlimited, free intraday stock data API▲93

    2021 · styvio.com · its alternatives →

11. 11
    Phron.io▲113

    The next-gen AI stock screener

    2023 · apps.apple.com · its alternatives →

12. 12
    Finage▲104

    Real-time API platform for stock, forex, and crypto data

    2025 · finage.co.uk · its alternatives →

13. 13
    Market Data▲61

    Stock market API, spreadsheet add-ons, get data anywhere

    2022 · marketdata.app · its alternatives →

14. 14
    FinTok.io - Your Investing Partner.▲72

    Advanced stock market analysis and portfolio tracking tool

    2023 · its alternatives →

15. 15
    Coinalytics▲23

    Bloomberg for Bitcoin - Real-time analytics

    2014 · coinalytics.co · its alternatives →

16. 16
    Finnhub Stock API▲6

    Real-time stock, Fundamental and Alternative data API.

    2020 · its alternatives →

17. 17
    DailySummary.io▲14

    A daily dashboard with AI news, stocks, weather, games, etc

    2025 · dailysummary.io · its alternatives →

18. 18
    Dexi.io▲9

    Web data tool for professionals

    2016 · dexi.io · its alternatives →

19. 19
    DataStock▲13

    Instantly Access Pre-Crawled Ready-to-use Datasets

    2017 · promptcloud.com · its alternatives →

20. 20
    StockSageAi : Predicting Tomorrow, Today▲19

    AI Based stock Analysis and Prediction Platform.

    2025 · stocksageai.com · its alternatives →

21. 21
    Financial Data▲8

    Connect Your AI to Institutional-Grade Market Intelligence Plug any AI client, from ChatGPT to custom agents, directly into our financial data engine. Get real-time stock prices, fundamentals, institutional trading insights, and other financial data delivered through a universal Model Context Protocol (MCP) server.

    2025 · financialdata.net · its alternatives →

22. 22
    Real-time Market API▲2

    Fast, reliable API for stock, crypto, and forex data

    Mar 2026 · realmarketapi.com · its alternatives →

23. 23
    MarketDash▲18

    Your edge in markets

    2025 · marketdash.com · its alternatives →

24. 24
    TickerTonic▲20

    Get real-time AI powered investment reports

    2025 · tickertonic.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →