apilayer marketstack

API

Real-Time, Intraday & Historical Financial Market Data API

Overview

apilayer marketstack provides RESTful endpoints for real-time stock quotes, intraday (1-minute interval) data, historical prices (decades of coverage), and company profiles. Responses are in JSON format. Ideal for building financial apps, investment platforms, analytics tools, or backtesting trading strategies with global stocks, indices, and ETFs coverage.

Example Integration (JavaScript)

script.js JS


fetch('https://marketstack.com/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON Responses
Real-Time Quotes
Intraday Data
Historical Market Data
Global Coverage

Frequently Asked Questions

? Is apilayer marketstack free to use?

Yes, it offers a free tier with limited requests and basic data access; paid tiers unlock advanced features like real-time data and higher limits.

? Does it require an API Key?

Yes, you need an API key from marketstack to authenticate all requests.

? What is the response format?

JSON is the primary response format for all endpoints.

Top Alternatives

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Tool Info

Pricing Freemium

Category Finance

Platform Public API

Pros

⊕ Easy Integration
⊕ Comprehensive Data Coverage
⊕ Scalable Tiers
⊕ Reliable Uptime

Cons

⊖ Free Tier Rate Limits
⊖ Limited Advanced Features in Free Plan
⊖ Paid Tiers Required for High Volume