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API3 vs Marketstack

People
API3Financial Data Feeds
MarketstackFinancial Data Feeds
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Price
Usage-based
Published entry price
$9.99+per month

Financial Data Feeds

Annual estimate10 people, entry price
Usage-based
$120+
Flat rate
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Financial Data Feeds

Overview
Focus
Financial Data Feeds
Financial Data Feeds
Product
Decentralized API services and first-party oracle protocol connecting blockchain apps to web APIs.
REST API delivering real-time, intraday, and historical stock market data for 30,000+ global tickers with EDGAR filings access, commodity prices, and 15+ years of historical data in lightweight JSON format.
Headquarters
Zug, Switzerland
Vienna, Austria
Company size
11-50 employees
2-10 employees
Founded
2020
2018
Pricing details
Plan
Published entry price
Published rate
Usage-based
$9.99+ / month
Billable seats
Flat rate
Free options
Free plan
Free plan
Pricing source
Source updated
Oct 29, 2026
Oct 30, 2026

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Financial Data Feeds