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
- Tradier, 8/10
Every tool we cover
Price tracker →| Tool | Score | From | Top listed plan | Free plan | Trial | Pages |
|---|---|---|---|---|---|---|
 AlpacaAlpaca | 7.0 | $99/mo* | $2,000/mo | Yes | — | ReviewPricingAlternatives |
 TradierTradier | 7.0 | $10/mo | $35/mo | Yes | 2 months | ReviewPricing |
 PlaidPlaid | 6.8 | Free | — | Yes | — | ReviewPricingAlternatives |
 Alpha VantageAlpha Vantage | 6.8 | $41.58/mo* | $208.25/mo | Yes | — | ReviewPricingAlternatives |
 SnapTradeSnapTrade | 6.8 | $100/mo | $100/mo | Yes | — | ReviewPricingAlternatives |
 Twelve DataTwelve Data | 6.8 | $79/mo* | $999/mo | Yes | — | ReviewPricing |
 TellerTeller | 6.8 | Free* | — | Yes | — | ReviewPricing |
 Salt EdgeSalt Edge | 6.7 | Free* | — | Yes | — | Review |
 Financial Modeling PrepFinancial Modeling Prep | 6.6 | $19/mo | $99/mo | Yes | — | ReviewPricing |
 FinnhubFinnhub | 6.2 | $3,500/mo | $3,500/mo | Yes | — | ReviewPricingAlternatives |
 dxFeeddxFeed | 6.2 | Custom* | — | No | — | Review |
 Polygon.ioPolygon.io | 6.0 | $23.20/mo* | $159.20/mo | No | — | ReviewPricingAlternatives |
 FinicityFinicity | 6.0 | Custom* | — | No | — | Review |
 MXMX | 5.8 | Custom* | — | No | — | Review |
 YodleeYodlee | 5.5 | Free* | — | Yes | — | ReviewAlternatives |
* 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
AlpacaAlpaca
Good API coverage and free tiers; check data-feed limits and Broker API costs before committing.
TradierTradier
A useful API-first broker with strong options pricing, but not an obvious fit for casual manual trading.
PlaidPlaid
Capable financial APIs, but usage rates are unpublished and Reddit reports raise trust and connectivity concerns.
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, Finicity and MX don't publish a starting price. Prices are the vendors' own, checked Nov 6, 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, Alpaca, Tradier, Plaid and Alpha Vantage have a free plan.
Which financial data apis have a free plan?
Alpaca, Tradier, Plaid, Alpha Vantage, SnapTrade, Twelve Data, Teller, Salt Edge, Financial Modeling Prep, Finnhub and Yodlee have a free plan. Free plans are usually capped on usage, seats or features; each review lists the limits.