StockFit - Fundamentals API, just better

The StockFit API delivers structured financial data, earnings, ETF holdings, and IPO prospectus information sourced directly from SEC filings. It caters to users engaged in backtesting and quantitative research, offering a range of APIs including Financials, Ownership, ETF Holdings, SEC Filings, Business Models, Earnings, Executives, Symbol Lookup, and News. The data is updated daily and is point-in-time accurate, with every value timestamped to its corresponding SEC filing. The API normalizes financial statements across companies, covering every quarter and year, and includes features like quality scores, insider transaction flow, and an audit trail for every number. It encompasses various SEC filings such as 10-Ks, 10-Qs, 8-Ks, and more. The API is designed to be developer-first, featuring a simple REST API with clear JSON responses and comprehensive Swagger documentation for every endpoint. Users can integrate their API key with AI assistants like Claude, Cursor, or VS Code via MCP, effectively turning their API key into an AI tool. The service covers US equities and ETFs comprehensively, sourced from official SEC filings. It is available with a free tier that doesn't require a credit card, making it accessible for users to start building their applications immediately.