Marketstack VS Twelve Data
Head-to-head market data API comparison.
UPDATED 2026-05-27 · 7 axes scored
WINNER · TWELVE DATA · 2/7 AXES
Quick Decision
▶ PICK MARKETSTACK IF DATA-API
- Web app developers
- Simple stock charts
- Basic portfolio apps
- Budget-conscious indie devs
▶ PICK TWELVE DATA IF DATA-API
- Global coverage needs
- Technical indicator API
- Fintech apps
- Forex + crypto combo
Side-by-Side Matrix
| METRIC | MARKETSTACK | TWELVE DATA |
|---|---|---|
| API Quality | 3/5 | 4/5 |
| Doc Quality | 4/5 | 4/5 |
| Data Latency | minute | second |
| SDK Languages | 1 languages | 5 languages |
| Free Tier | Yes | Yes |
| Affiliate Program | Yes | Yes |
| Asset Coverage Breadth | 6 classes | 6 classes |
| Asset Coverage | US Equities · Global Equities · ETFs · Global Indices · Bonds · Commodities | US Equities · Global Equities · Forex · Crypto · ETFs · Indices |
| Historical Depth | 30+ years (annual EOD); intraday on Professional+ | 30+ years (daily); intraday varies by plan |
| Starting Price | $0/mo | $0/mo |
| Rate Limits | Free: 100/mo; Basic: 10k/mo; Pro: 100k/mo; Business: 500k/mo | Credit-based; each endpoint consumes different credit amount |
Asset Class Coverage
Where the two providers overlap and where each has unique coverage.
| ASSET CLASS | MARKETSTACK | TWELVE DATA |
|---|---|---|
| Bonds | ✓ Covered | — |
| Commodities | ✓ Covered | — |
| Crypto | — | ✓ Covered |
| ETFs | ✓ Covered | ✓ Covered |
| Forex | — | ✓ Covered |
| Global Equities | ✓ Covered | ✓ Covered |
| Global Indices | ✓ Covered | — |
| Indices | — | ✓ Covered |
| US Equities | ✓ Covered | ✓ Covered |
| TOTAL CLASSES | 6 | 6 |
Only Marketstack
Global Indices · Bonds · Commodities
Only Twelve Data
Forex · Crypto · Indices
Shared · 3
US Equities · Global Equities · ETFs
Pricing Tier Map
Full tier ladder side-by-side · names and prices as published by each provider · 5 vs 4 tiers.
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
TWELVE DATA · 4 TIERS FREE TIER
01
Basic (Free) $0/mo
800 API credits/day, 8 WebSocket trial credits, 3 markets
02
Grow $79/mo
Real-time US stocks/commodities/fundamentals, 20+ markets ($66/mo annual)
03
Pro $229/mo
EU real-time, fixed income, mutual funds, 70+ markets ($191/mo annual)
04
Ultra $999/mo
99.95% SLA, dedicated support, 84 markets ($832/mo annual)
▲ Free Tier · Free: 800 API credits/day, 8 WebSocket connections
Technical Stack Fit
SDK languages and data formats determine integration cost for your existing codebase.
| DIMENSION | MARKETSTACK | TWELVE DATA |
|---|---|---|
| API Types | REST | REST · WebSocket |
| SDK Languages | REST-only (community Python wrappers exist) | Python · JavaScript · Java · PHP · R |
| Data Formats | JSON | JSON · CSV |
| Rate Limits | Free: 100/mo; Basic: 10k/mo; Pro: 100k/mo; Business: 500k/mo | Credit-based; each endpoint consumes different credit amount |
| Latency Class | minute | second |
Fit Profile
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
TWELVE DATA · PROFILE DATA-API
Best For
- Global coverage needs
- Technical indicator API
- Fintech apps
- Forex + crypto combo
Not Ideal For
- Tick data / HFT
- Deep US options data
- Large bulk downloads
Full Twelve Data Review
Adjacent Comparisons
Related matchups — same category first, then cross-category for context.
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