Hobbyist quant developers Prototypes needing broad market data Budget ticker and dashboard integrations

Who is Finnhub not for?

Professional algo traders needing reliable tick data Anyone needing real-time quotes on the free plan Firms requiring security docs for vendor approval Non-technical investors wanting a finished analysis tool

shouldiuse.io

Finnhub Review

Depends

Should I use Finnhub?

Not disclosed - finnhub.com

Analyzed October 13, 2026 · 3 days ago

Hobby developers and fintech prototypers buy Finnhub for cheap, broad market data APIs. Professional traders and procurement-driven teams pick rivals with better data reputation and security disclosure.

Confidence

Medium. Based on 20+ public sources; many snippets are truncated.

Ratings

Value for money
Ease of use
Feature depth
Support qualityNo evidence in reviewed sources
Security posture

Pricing

Free

ModelPer-category plans

Monthly feesNot disclosed

HardwareNot disclosed

Free tierYes

Paid per categoryVaries by API

Startups and EnterpriseCustom

Best for

Hobbyist quant developers
Prototypes needing broad market data
Budget ticker and dashboard integrations

Not for

Professional algo traders needing reliable tick data
Anyone needing real-time quotes on the free plan
Firms requiring security docs for vendor approval
Non-technical investors wanting a finished analysis tool

Gotchas - check before you buy

high

Free tier reportedly lacks real-time stock quotes. Test latency before you build on it.

medium

Pricing splits per data category. Multi-API apps stack several paid plans.

medium

Users question commercial-use rights on the free plan. Verify terms before shipping.

medium

Tick-data users report missing long-term history. Confirm depth before committing.

Pros

Free API key gets you started without a contract
Covers stocks, fundamentals, estimates, bonds, forex, crypto, and transcripts
Offers REST APIs and websockets for stock, currency, and crypto feeds
Wide SDK coverage: Python, Kotlin, C++, plus a Bubble plugin

Cons

Most prominent Reddit review tells traders to avoid it
User issue reports no real-time data on the free plan
Traders cite IEX statements that undercut its data claims
No public security page for buyer review

Sources & method

Analyzed October 13, 2026 - 10 sources - No known vulnerabilities found in the sources reviewed.

official x2review x6security x1news x1

Key stats

Value for money: 2/5
Rating
$0
Starting price
10
Sources
October 13, 2026
Analyzed

Value for money: 2/5. Free plan limits plus negative trader reviews
Ease of use: 4/5. Many SDKs, plugins, and guides
Feature depth: 4/5. Stocks, fundamentals, estimates, bonds, crypto, transcripts
Support quality. No evidence in reviewed sources
Security posture: 2/5. No public security page found

Yes Free tier Free API key at registration
Stocks, forex, crypto Markets covered Plus fundamentals, estimates, bonds, transcripts
Per-category plans Pricing model Separate pricing for market data, fundamentals, estimates
Nov 2020 Public debut Kickstarter project for the stock API

Pricing

Free

Free API key
Reported no real-time stock data

Paid per category

Varies by API

Stock API market data
Fundamental data
Stock estimates

Startups and Enterprise

Not disclosed

Commercial use
Startup and enterprise terms

Security

No known vulnerabilities found in the sources reviewed.

What users say

Comparison sites treat Finnhub as a mainstream market data API, while trader forums report data reliability and free-plan problems.

“Avoid Finnhub like the plague”

Reddit, r/algotrading

“No real time data for free plan?”

GitHub, finnhubio/Finnhub-API issue #176

Alternatives

Compare Finnhub with each alternative.

Alpha Vantage
Popular free financial data API; compare call limits first.
EODHD
API-first competitor with public G2 reviews.
Finnhub vs EODHD
Twelve Data
Developer-friendly market data API, compared directly with Finnhub.

Quadratic
Analysis-first spreadsheet alternative to API-first data feeds.
Finnhub vs Quadratic

Full analysis

Based on 20+ public sources; many snippets are truncated.

Free tier suits hobby projects, but trader forums report data issues. Test real-time limits before you pay.

Methodology

Based on 20+ public sources; many snippets are truncated.

Read how a report is made.

Sources

r/algotrading - Avoid Finnhub like the plaguereddit.com
review
No real time data for free plan? - GitHub issuegithub.com
review
Finnhub pricingfinnhub.io
official
Get your free API keyfinnhub.io
official
Security pagefinnhub.com
security
Is Finnhub free for commercial use (Reddit)reddit.com
review
Tick data experience with finnhub.io (Reddit)reddit.com
review
Finnhub Alternativesinvestingbrokers.com
review
EODHD Financial Data APIs Reviewsg2.com
review
Finnhub - Free Stock API Kickstarterkickstarter.com
news

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