Finnhub review
Financial-data APIs spanning real-time prices, fundamentals, news, and historical market data.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Finnhub provides financial data APIs for developers and businesses building market-data applications. Its coverage includes stock prices, company fundamentals, analyst estimates, alternative financial data, and company news. The service also presents forex and cryptocurrency data, making it relevant to teams working across asset classes. Buyers looking primarily for a developer-facing way to retrieve market information should consider it; those seeking a finished consumer application may prefer a different type of product.
The API documentation includes endpoints for historical stock candles and WebSocket trades alongside company-news access. Together with real-time stock price data, these provide options for applications that need both current market information and historical series. Finnhub is offered through a cloud deployment and has API and web platforms. Its REST API style is suited to request-based integrations, while WebSocket trades provide a separate route for trade data. Teams should assess which endpoints match their specific data requirements before choosing it.
Finnhub has a free API option, so buyers can begin without selecting a paid plan. The available product information does not establish paid plan prices or request quotas, which makes it harder to compare ongoing costs for production workloads. That is an important consideration for applications with predictable data volume or strict budget requirements. Finnhub is a stronger fit for developers seeking a broad financial-data API; buyers who need confirmed limits and costs before evaluating a service should compare alternatives with clearly specified plan terms.
Finnhub pros and cons
- Where it wins
- Covers real-time stock prices and company fundamentals
- Includes estimates, alternative data, and company news
- Offers historical candles, WebSocket trades, forex, and crypto data
- Where it doesn't
- Pricing and request limits are not detailed here
- API-focused, so it may not suit buyers seeking a ready-made app
- Coverage breadth may exceed the needs of a single-market use case
Finnhub fact sheet, pricing and score →
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