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  3. Finnhub
Finnhub logo

Finnhub

Real-time market data, fundamentals, and alternative data with a usable free tier.

Visit website
Visit websitefinnhub.io

Overview


Finnhub provides market data covering real-time and historical equities, fundamentals, estimates, and alternative data such as sentiment and earnings transcripts.

Data is available over REST, with WebSocket streaming on paid tiers. Coverage includes forex and crypto alongside equities. A free tier is available for development. Real-time US equity data carries exchange licensing conditions that depend on the subscription.

Common use cases


  • Pull real-time quotes for a portfolio tracker
  • Fetch company fundamentals and earnings estimates
  • Stream price updates over WebSocket
  • Prototype a market app against the free tier

Key Features


  • Real-time and historical equity data
  • Company fundamentals, filings, and estimates
  • Alternative data including sentiment and transcripts
  • Forex and crypto coverage
  • WebSocket streaming on paid tiers
  • Free tier suitable for prototyping

Integration

Protocols
REST, WebSocket
Authentication
API key
Official SDKs
Python, Go, JavaScript
Sandbox
Not available
Documentation
Read the docs

Details

Product Types

API

Geographic Coverage

Global

Pricing Model

Free tier

Categories

Financial Data & Market Data

Directory last reviewed 1 August 2026

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