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Financial Modeling Prep API vs Marketstack API

Two free Finance APIs compared on access, reliability and developer ratings, using data from our daily health checks.

The verdict

  • Choose Financial Modeling Prep API if you want faster responses.
  • Choose Marketstack API for its data: Real-Time, Intraday & Historical Market Data API.

Side by side

Financial Modeling Prep APIMarketstack API
What it doesRealtime and historical stock data.Real-Time, Intraday & Historical Market Data API.
ProviderFinancial Modeling Prepmarketstack.com
API keyRequiredRequired
HTTPSYesYes
CORS (browser calls)UnknownUnknown
Status todayOnline · 440 msOnline · 964 ms
Uptime (30 days)UpUp
Developer ratingNot rated yetNot rated yet
PriceFree / free tierFree / free tier

About each API

Financial Modeling Prep logoFinancial Modeling Prep API

Realtime and historical stock data.

Access the most reliable free stock market APIs and financial data APIs for real-time stock prices, financial statements, detailed historical data, and more.

Strengths

  • HTTPS

Ratings, reviews and FAQ →

Marketstack logoMarketstack API

Real-Time, Intraday & Historical Market Data API.

Access free stock data API offering real-time and historical market data for global exchanges. Marketstack provides fast, reliable stock price API solutions.

Strengths

  • HTTPS

Ratings, reviews and FAQ →

How to choose between them

  • Prototyping or a tutorial? Pick the one that needs no API key (neither does, so compare their free tiers).
  • Calling from a web page? You need CORS. Otherwise route requests through your own server or a serverless function.
  • Going to production? Favour HTTPS, a strong uptime record and a provider with clear rate limits and terms. Check each API's docs before you commit.
  • Still unsure? Both are free to try: send one request to each and compare the data you get back.

Financial Modeling Prep vs Marketstack FAQ

Do Financial Modeling Prep API and Marketstack API need an API key?

Both require authentication (apiKey and apiKey).

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