Finnhub VS Marketstack
Head-to-head market data API comparison.
UPDATED 2026-05-23 · 7 axes scored
WINNER · FINNHUB · 2/7 AXES
Quick Decision
▶ PICK FINNHUB IF DATA-API
- Indie developers
- Screener apps
- Sentiment / news analytics
- Global equities
▶ PICK MARKETSTACK IF DATA-API
- Web app developers
- Simple stock charts
- Basic portfolio apps
- Budget-conscious indie devs
▼ Skip both if
- Futures
Side-by-Side Matrix
| METRIC | FINNHUB | MARKETSTACK |
|---|---|---|
| API Quality | 4/5 | 3/5 |
| Doc Quality | 4/5 | 4/5 |
| Data Latency | second | minute |
| SDK Languages | 5 languages | 1 languages |
| Free Tier | Yes | Yes |
| Affiliate Program | No | Yes |
| Asset Coverage Breadth | 5 classes | 6 classes |
| Asset Coverage | US Equities · Global Equities · Forex · Crypto · ETFs | US Equities · Global Equities · ETFs · Global Indices · Bonds · Commodities |
| Historical Depth | 30+ years (daily); 1 year intraday on free | 30+ years (annual EOD); intraday on Professional+ |
| Starting Price | $0/mo | $0/mo |
| Rate Limits | Free: 60/min; paid: 300/min | Free: 100/mo; Basic: 10k/mo; Pro: 100k/mo; Business: 500k/mo |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | FINNHUB | MARKETSTACK |
|---|---|---|
| Bonds | — | ✓ Covered |
| Commodities | — | ✓ Covered |
| Crypto | ✓ Covered | — |
| ETFs | ✓ Covered | ✓ Covered |
| Forex | ✓ Covered | — |
| Global Equities | ✓ Covered | ✓ Covered |
| Global Indices | — | ✓ Covered |
| US Equities | ✓ Covered | ✓ Covered |
| TOTAL CLASSES | 5 | 6 |
Only Finnhub
Forex · Crypto
Only Marketstack
Global Indices · Bonds · Commodities
Shared · 3
US Equities · Global Equities · ETFs
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 2 vs 5 tiers.
FINNHUB · 2 TIERS FREE TIER
01
Free $0/mo
60 calls/min, real-time US + global quotes
02
All-In-One $50/mo
300 calls/min, premium datasets, financials
▲ Free Tier · Free: 60 API calls/min, real-time quotes, WebSocket trades
MARKETSTACK · 5 TIERS FREE TIER
01
Free $0/mo
100 req/mo, EOD only, 1-year history
02
Basic $9.99/mo
10,000 req/mo, intraday access, all asset types
03
Professional $49.99/mo
100,000 req/mo, real-time updates (sub-15min), commodities
04
Business $149.99/mo
500,000 req/mo, priority support
05
Enterprise Custom
Higher limits + SLA
▲ Free Tier · 100 requests/mo, EOD only, 1-year history
Technical Stack Fit
SDK languages and data formats determine integration cost for your existing codebase.
| DIMENSION | FINNHUB | MARKETSTACK |
|---|---|---|
| API Types | REST · WebSocket | REST |
| SDK Languages | Python · JavaScript · Go · Ruby · PHP | REST-only (community Python wrappers exist) |
| Data Formats | JSON | JSON |
| Rate Limits | Free: 60/min; paid: 300/min | Free: 100/mo; Basic: 10k/mo; Pro: 100k/mo; Business: 500k/mo |
| Latency Class | second | minute |
Fit Profile
FINNHUB · PROFILE DATA-API
Best For
- Indie developers
- Screener apps
- Sentiment / news analytics
- Global equities
Not Ideal For
- Tick data / HFT
- Deep intraday history free tier
- Futures
Full Finnhub Review
MARKETSTACK · PROFILE DATA-API
Best For
- Web app developers
- Simple stock charts
- Basic portfolio apps
- Budget-conscious indie devs
Not Ideal For
- Real-time HFT
- Tick-level analysis
- Options/futures traders
- Native SDK lovers
Full Marketstack Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
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