The Marketstack API delivers a robust, RESTful JSON interface for accessing global stock market data—including real-time updates, intraday quotes, and historical End‑of‑Day (EOD) figures. With coverage spanning 125,000+ tickers across 72+ exchanges worldwide, this API scales seamlessly from personal projects to enterprise-grade applications.

API Documentation

Welcome to the Marketstack API documentation. In the following series of articles, you will learn how to query the Marketstack JSON API for real-time, intraday, and historical stock market data, define multiple stock symbols, retrieve extensive data about 2700+ Stock Exchanges Info, 30000+ Stock tickers from more than 50 countries, as well as 750 + Stock Market indexes, information about timezones, currencies, and more.

Our API is built upon a RESTful and easy-to-understand request and response structure. API requests are always sent using a simple API request URL with a series of required and optional HTTPS GET parameters. API responses are provided in a lightweight JSON format. Continue below to get started, or click the blue button above to jump to our 3-Step Quickstart Guide.

Why Choose Marketstack?

Global coverage: Millions of tickers, global exchanges, indices, commodities, and metadata—ideal for analytics, trading, fintech, and data platforms marketstack.com.
Flexible scales: From 100 free requests to half a million per month—grows with your project needs.
Reliable data pipeline: Built on apilayer’s infrastructure with near‑100% uptime and fast, secure delivery.
Developer-first: Clear JSON APIs, robust docs, code samples, and ready-to-use Postman collection.

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