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About Marketstack
What is Marketstack?
Marketstack is a REST API that delivers real-time, intraday, and end-of-day stock market data, plus EDGAR SEC filings, in lightweight JSON format. It solves the problem of accessing reliable, scalable financial data without managing complex infrastructure — perfect for developers, financial analysts, and fintech startups.
Who is it for?
Marketstack is built for developers integrating stock data into apps, traders needing intraday quotes, researchers pulling historical data, and compliance teams retrieving SEC filings. It is not a trading platform or portfolio manager — it is a data API only.
Real Use Cases
Use Marketstack to power stock screeners, financial dashboards, automated trading bots, or academic research. With 500,000+ tickers in EOD, 70+ global exchanges, and 15+ years of history, it suits both small projects and enterprise-scale data needs.
Key features
- Real-Time & Intraday Data — Get stock prices down to 1-minute intervals for US tickers via IEX.
- 30,000+ Stock Tickers — Access worldwide tickers with the Stock Price endpoint, plus 500,000+ with EOD endpoint.
- EDGAR Filings API — Fetch 10-K, 10-Q, 8-K, and other SEC documents in real-time for compliance and research.
- 15+ Years Historical Data — Request end-of-day data going back over 15 years for backtesting and analysis.
- 750+ Market Indices — Retrieve index data from global exchanges including Nasdaq and NYSE.
- Bank-Level Security — All data encrypted with 256-bit HTTPS, ensuring safe transmission.
- Extensive Documentation — Interactive demos and code examples in multiple languages for fast integration.
SaaSpartout Score
7.9
/10
Editorial score from our review methodology — not user ratings.
Marketstack Pricing
Marketstack pricing: from $0/mo (free plan). Billing model: Subscription.
Free — $0/mo
100 requests/mo, end-of-day data, 1 year history, stock tickers info, 2700+ exchange info, splits & dividends, HTTPS encryption. No support.
Basic — $9.99/mo ($8.99/mo billed yearly)
10,000 requests/mo + $0.003996/extra, end-of-day data, 10 years history, IEX intraday data (US), stock market index, bonds, ETF holding, commercial use, standard support.
Professional — $49.99/mo ($43.99/mo billed yearly)
100,000 requests/mo + $0.0019996/extra, 15+ years history, real-time updates, stock market & commodity prices, company data, premium support.
Business — $149.99/mo ($127.99/mo billed yearly)
500,000 requests/mo + $0.00119992/extra, all Professional features plus company ratings, statements, details, concepts, facts. Platinum support.
Enterprise custom plans also available. All paid plans include free trial via monthly billing or yearly discount.
Exclusive deal via SaaSpartout
Get the deal →Frequently asked questions
Is Marketstack free?
Yes, Marketstack offers a free forever plan with 100 requests per month, 1 year of end-of-day data, and basic features. No credit card required.
How much does Marketstack cost?
Marketstack pricing starts at $0/mo (free). Paid plans: Basic $9.99/mo, Professional $49.99/mo, and Business $149.99/mo. Yearly billing discounts are available.
What data does Marketstack provide?
Marketstack delivers real-time and intraday stock prices for 30,000+ US tickers, plus 15+ years of end-of-day historical data for 500,000+ tickers across 70+ global exchanges. It also provides EDGAR SEC filings, 750+ market indices, and commodity prices.
Who is Marketstack best for?
Marketstack is best for developers, fintech startups, quantitative analysts, and researchers who need a simple, scalable JSON API for stock market, index, and SEC filing data.
What are the main limitations of Marketstack?
The free plan is limited to 100 requests per month and 1 year history. Real-time updates and intraday data (sub-15-min intervals) require a paid plan. No support on the free tier.
What are top alternatives to Marketstack?
Popular alternatives include IEX Cloud, Alpha Vantage, Polygon.io, and Yahoo Finance API. Marketstack stands out with its free tier and EDGAR filings endpoint.
