Category · 15 tools · 4 comparisons
Financial data APIs
APIs that let software access banking, investment, and market data.
At a glance
- Tools tracked
- 15
- Entry plans
- $10–$3,500/mo
- Typical entry plan
- $41.58/mo
- Free plan
- 11 of 15
- Cheapest paid
- Tradier, $10/mo
- Best value score
- SnapTrade, 8/10
Every tool we cover
API pricing →| Tool | Score | From | Top listed plan | Free plan | Trial | Pages |
|---|---|---|---|---|---|---|
 SnapTradeSnapTrade | 7.2 | $100/mo | $100/mo | Yes | — | ReviewPricingAlternatives |
 TellerTeller | 7.1 | Free* | — | Yes | — | ReviewPricing |
 FinnhubFinnhub | 7.0 | $3,500/mo | $3,500/mo | Yes | — | ReviewPricingAlternatives |
 Twelve DataTwelve Data | 7.0 | $79/mo* | $999/mo | Yes | — | ReviewPricing |
 AlpacaAlpaca | 6.9 | $99/mo* | $2,000/mo | Yes | — | ReviewPricingAlternatives |
 Polygon.ioPolygon.io | 6.8 | $23.20/mo* | $159.20/mo | No | — | ReviewPricingAlternatives |
 Financial Modeling PrepFinancial Modeling Prep | 6.8 | $19/mo | $99/mo | Yes | — | ReviewPricing |
 Alpha VantageAlpha Vantage | 6.6 | $41.58/mo* | $208.25/mo | Yes | — | ReviewPricingAlternatives |
 TradierTradier | 6.6 | $10/mo | $35/mo | Yes | 2 months | ReviewPricing |
 PlaidPlaid | 6.5 | Free* | — | Yes | — | ReviewAlternatives |
 Salt EdgeSalt Edge | 6.5 | Free* | — | Yes | — | Review |
 dxFeeddxFeed | 6.3 | Custom* | — | No | — | Review |
 YodleeYodlee | 6.2 | Free* | — | Yes | — | ReviewAlternatives |
 MXMX | 5.8 | Custom* | — | No | — | Review |
 FinicityFinicity | 5.8 | Custom* | — | No | — | Review |
* Lower confidence: the vendor's pricing page couldn't be read directly or didn't list every price, so the figure was compiled from other public sources and may be incomplete. Check the vendor's page before you buy.
Head-to-head
Highest scored
SnapTradeSnapTrade
A unified brokerage API with a useful free tier and broker-specific production constraints.
TellerTeller
Teller gives apps bank data and payment APIs; production charges accrue by account, call and enrollment.
FinnhubFinnhub
Broad market and fundamentals APIs, but global access starts at $3,500/month with annual billing.
Financial data APIs: quick answers
How much do financial data apis cost?
Paid plans for the 15 financial data apis we track start between $10 and $3,500 a month, and the typical entry plan is about $41.58 a month. 11 of them have a free plan. dxFeed, MX and Finicity don't publish a starting price. Prices are the vendors' own, checked Nov 10, 2026; most quote the per-month price when billed annually.
Which financial data api is the cheapest?
Tradier has the lowest paid entry plan at $10 a month, followed by Financial Modeling Prep at $19. If you can live with limits, SnapTrade, Teller, Finnhub and Twelve Data have a free plan.
Which financial data apis have a free plan?
SnapTrade, Teller, Finnhub, Twelve Data, Alpaca, Financial Modeling Prep, Alpha Vantage, Tradier, Plaid, Salt Edge and Yodlee have a free plan. Free plans are usually capped on usage, seats or features; each review lists the limits.
Which financial data api scores highest in our reviews?
SnapTrade scores highest at 7.2/10. A unified brokerage API with a useful free tier and broker-specific production constraints.