Best Stock Fundamentals Data APIs (2026)
Every vendor we track that offers company fundamentals (financial statements, ratios or XBRL filings), sorted by lowest listed paid plan. SEC EDGAR is free but gives you filings and XBRL data as filed; paid feeds package fundamentals into ready-made endpoints, and some cover markets outside the US. Check history depth and whether fundamentals need a separate plan.
Comparison
| Asset classes | Real-time | WebSocket | Rate limits | ||||
|---|---|---|---|---|---|---|---|
| EODHDMarket data | Free tier | $19.99 | 30+ | global-stocks, etfs, forex, crypto, indices, commodities, fundamentals | Live/delayed (free: 15-min) | yes (Intraday & ALL-IN-ONE: 50 tickers; stocks US + Europe, forex and crypto global) | Free: 20/day, 20/min; paid: 100,000/day, 1,000/min |
| Financial Modeling PrepMarket data | Free tier | $29 | 30+ | stocks, fundamentals, etfs | unknown | unknown | 250/day free; 300, 750, 3,000/min paid; 30-day bandwidth caps 500MB/20GB/50GB/150GB |
| FinnhubMarket data | Free tier | $49.99 | 40+ | us-stocks, fundamentals, etfs, forex, crypto, bonds, economic | unknown | yes (Free 50 symbols; Basic 250; Standard/Pro unlimited) | Free 60 calls/min; All-In-One 900/min market data, 300/min fundamentals |
| IntrinioMarket data | unknown | $150 | 50+ | us-stocks, options, fundamentals, etfs | Real-time (EquitiesEdge/OptionsEdge) and 15-min delayed | yes (WebSocket on some feeds) | unknown |
| SEC EDGAR (free)Public data | Free tier | unknown | unknown | filings, fundamentals-xbrl | real-time as filings are disseminated | No | Must comply with SEC fair-access policy (see Developer FAQs) |
— means not stated on official pages. Not investment advice.
Official pricing pages
Some outbound links are affiliate links; that never changes the data. How we make money.