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Prompt

API for historical stock prices and fundamentals

Technology / API Platforms1 observationLast seen Oct 8, 2026

Latest observation

Oct 8, 2026OpenAI APIWeb search: off

Here are some good APIs for historical stock prices and fundamentals, depending on your needs and budget:

Popular options

1. Alpha Vantage

  • Data: Historical prices, fundamentals, technical indicators, FX, crypto
  • Pros: Free tier available, easy to use
  • Cons: Tight rate limits, fundamentals coverage can be limited
  • Good for: Small projects, prototypes

2. Polygon.io

  • Data: High-quality market data, historical prices, aggregates, fundamentals, splits/dividends
  • Pros: Fast, reliable, good docs
  • Cons: Paid plans for serious usage
  • Good for: Production apps, market data apps

3. IEX Cloud

  • Data: Historical prices, company financials, fundamentals, reference data
  • Pros: Solid docs, broad coverage
  • Cons: Pricing and data entitlements can be confusing
  • Good for: Apps needing both prices and company data

4. Financial Modeling Prep (FMP)

  • Data: Historical prices, income statements, balance sheets, cash flow, ratios, valuation metrics
  • Pros: Very convenient for fundamentals, generous free/low-cost plans
  • Cons: Data quality/latency may vary by endpoint
  • Good for: Screening and analysis tools

5. Tiingo

  • Data: End-of-day historical prices, fundamentals, news
  • Pros: Clean API, good value
  • Cons: Less comprehensive than larger vendors
  • Good for: EOD analytics and research

6. EOD Historical Data

  • Data: Historical prices, fundamentals, splits/dividends, exchange coverage
  • Pros: Broad global coverage, affordable
  • Cons: UX/docs not as polished as some competitors
  • Good for: International equities and cost-sensitive use cases

If you want free/open alternatives

  • Yahoo Finance: widely used via unofficial libraries, but not a stable official API
  • Stooq: free historical data, limited fundamentals
  • SEC EDGAR: official filings/fundamentals source, but requires parsing

Quick recommendations

  • Best all-around: Polygon.io
  • Best for fundamentals on a budget: Financial Modeling Prep
  • Best free starter: Alpha Vantage
  • Best for EOD + reasonable pricing: Tiingo or EOD Historical Data

If you want, I can also give you:

  1. a comparison table with pricing/features,
  2. the best API for US stocks only, or
  3. a Python example for pulling prices and fundamentals.

Brands

Alpha VantagePolygonIex CloudFinancial Modeling PrepTiingoEod Historical DataYahoo FinanceStooqSec Edgar

Observation history

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