Alpha Vantage is a broad, low-cost API covering equities, forex, and crypto with a huge free-tier install base. Its pricing scales purely by request-rate, not by data depth — every paid tier unlocks the same endpoints, just faster.
| Feature | Alpevox | Alpha Vantage |
|---|---|---|
| Fundamentals pricing | $29/mo (Pro), $39/mo (Pro+) · 14-day free trial, no card required | Free: 25 req/day, 5 req/min · Paid: $49.99/mo (75 req/min) up to $249.99/mo (1200 req/min) |
| Rate limits | 100–150 req/min · 300K–400K req/month included | Rate-limit-only tiers — same endpoints at every paid level, just faster |
| Fundamentals depth | Full income statement, balance sheet & cash flow — one schema, no separate paywall | Income statement, balance sheet & cash flow endpoints available |
| Point-in-time lineage | Every value linked to its SEC filing date + accession number | Not documented in the public API reference |
| Ratios & DuPont | Liquidity, solvency, profitability ratios + full DuPont ROE — pre-calculated | Not provided — compute from raw statements yourself |
| Growth (YoY/CAGR) | YoY growth + CAGR for any metric, up to 15 years | Not provided as a dedicated endpoint |
| Valuation ratios | P/E, P/B, P/S, EV/EBITDA — live price + latest fundamentals combined | Not provided as a dedicated endpoint |
| Data source | SEC EDGAR XBRL filings, synced nightly | Mixed sources, not exclusively SEC filings |
Alpha Vantage figures verified against alphavantage.co/premium as of 2026-09-16. Pricing and features change — check the source directly before relying on these figures.
You need pre-calculated ratios, DuPont breakdown, growth, and valuation instead of building them from raw statements
You're backtesting and need to prove no look-ahead bias — a filing date + accession number per value, not just a "latest" figure
You want fundamentals depth included at a fixed monthly price, not gated purely by request-rate