Dev tools · alternatives · 2026

24 alternatives to Polygon Stock Options API

Real-time and historical data for every options chain

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Polygon Stock Options API launched in 2022; newer entries below may have overtaken it.

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
StockData.org▲78
Free real-time, intraday and historical stock data JSON APIs
2021 · stockdata.org · its alternatives →
3
Polygon.io▲6
API for Real-Time stock data
2017 · massive.com · its alternatives →
4
Alpaca Data API▲321
Free real-time stock market data API
2020 · alpaca.markets · its alternatives →
5
Finage▲104
Real-time API platform for stock, forex, and crypto data
2025 · finage.co.uk · its alternatives →
6
Market Data▲61
Stock market API, spreadsheet add-ons, get data anywhere
2022 · marketdata.app · its alternatives →
7
Alpaca Data API 2.0▲317
Unlimited access to real-time US stock market data
2021 · alpaca.markets · its alternatives →
8UF
Unlimited, free intraday stock data API▲93
2021 · styvio.com · its alternatives →
9
Historical order book reconstruction API for crypto markets▲78
Historical tick-level order book updates, trades, quotes, open interest, funding, liquidations, options chains and more. API access and downloadable CSV files. Real-time consolidated market data streaming API via client libraries that connect directly to exchanges
2019 · tardis.dev · its alternatives →
10
TrueLayer▲183
Simple Bank APIs to access real-time financial data
2017 · truelayer.com · its alternatives →
11
Crypto and FinTech API by Front▲103
Real-time data aggregation and asset transfer for fintech
2022 · meshpay.com · its alternatives →
12
Trove▲153
Real-time AI intelligence for financial transactions
2024 · trove.headline.com · its alternatives →
13
Finmap.io▲10
Real-Time Financial Market Data API
2025 · finmap.io · its alternatives →
14
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 →
15
Stock News API▲90
Get relevant stock news from companies in the stock market.
2019 · stocknewsapi.com · its alternatives →
16
AI Trading Stock Fundamentals Dataset▲77
Free algorithmic trading dataset directly from SEC filings
2023 · rapidapi.com · its alternatives →
17
CurrencyStack▲113
A free modern currency data API for fintech apps.
2019 · currencystack.io · its alternatives →
18
OptionCharts.io▲66
Charts and visualizations for option investors
2022 · its alternatives →
19
Finnhub Stock API▲6
Real-time stock, Fundamental and Alternative data API.
2020 · its alternatives →
20
Stockshark Trading API▲24
Trade stocks, FX, options & crypto with a single API
2021 · stock-shark.com · its alternatives →
21
Financial Modeling Prep API▲4
Financial Statement API, Stock Price API Historical Data API
2020 · site.financialmodelingprep.com · its alternatives →
22
FinTok.io - Your Investing Partner.▲72
Advanced stock market analysis and portfolio tracking tool
2023 · its alternatives →
23
BuyStocks.ai▲61
Trading platforms and trading tutorials
2022 · buystocks.ai · its alternatives →
24
Quantale▲73
Realtime stock market data on your fingertips
2021 · quantale.io · its alternatives →

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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 →