Financial Datasets | Stock Market API

# Financial Datasets > Financial Datasets is a developer-friendly REST API providing institutional-grade stock market data for AI agents, quantitative research, and financial applications. Financial Datasets covers 27,000+ active and delisted US tickers with 30+ years of historical data, sub-200ms response times, and 99.98% uptime. All endpoints use simple GET/POST requests with API key authentication. ## Base URL https://api.financialdatasets.ai ## Authentication Include your API key in the `X-API-KEY` header with every request. Free tier (no API key needed): AAPL, MSFT, NVDA, TSLA, GOOGL Get your API key at: https://financialdatasets.ai ## API Endpoints ### Financial Statements - [Income Statements](https://docs.financialdatasets.ai/api/financials/income-statements): GET /financials/income-statements - [Balance Sheets](https://docs.financialdatasets.ai/api/financials/balance-sheets): GET /financials/balance-sheets - [Cash Flow Statements](https://docs.financialdatasets.ai/api/financials/cash-flow-statements): GET /financials/cash-flow-statements - [All Financial Statements](https://docs.financialdatasets.ai/api/financials/all-financial-statements): GET /financials - `ticker` (required), `period` (annual|quarterly|ttm, default: annual), `limit` (default: 4), `report_period` filters ### Segmented Financials - [Income Statement Segments](https://docs.financialdatasets.ai/api/financials/income-statement-segments): GET /financials/income-statements/segments - [Balance Sheet Segments](https://docs.financialdatasets.ai/api/financials/balance-sheet-segments): GET /financials/balance-sheets/segments - [Cash Flow Statement Segments](https://docs.financialdatasets.ai/api/financials/cash-flow-statement-segments): GET /financials/cash-flow-statements/segments - [All Segmented Financials](https://docs.financialdatasets.ai/api/financials/all-segments): GET /financials/segments - `ticker` (required), `period` (annual|quarterly, no ttm), `limit` (default: 4), `repor

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