StockFit API

Unlock precise financial modeling and backtesting with StockFit API's structured SEC data and standardized economic metrics.

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Published on:

April 22, 2026

Pricing:

StockFit API application interface and features

About StockFit API

StockFit API is a revolutionary solution designed to provide developers, quants, and research platforms with unparalleled access to SEC filing data. Unlike conventional financial APIs that often force users to choose between low-cost options with accuracy issues or expensive enterprise contracts that can cripple a startup's budget, StockFit bridges this gap. With a comprehensive suite of features including fundamentals, ownership data, ETF and mutual fund exposure, insider transactions, and filings, StockFit ensures that every data point is directly pulled from SEC XBRL filings. This eliminates the risk of inaccuracies associated with derived data layers, allowing users to trace every number back to its original source. StockFit is built for real-world applications, expertly handling amended filings and fiscal years that do not align with the calendar. The API is equipped with rich economic models that dissect company offerings, competitor dynamics, and strategic initiatives, making it an invaluable resource for financial analysis and investment decision-making. With over 250 million facts and 5 million filings updated daily, StockFit API is ideal for those seeking reliable, model-ready financial data without compromise.

Features of StockFit API

Comprehensive SEC Filing Access

StockFit API provides direct access to a wealth of SEC filing data, including amended filings and accurate fiscal year computations. This ensures users have the most reliable financial information at their fingertips.

Rich Economic Models

The API includes robust economic models that cover various company-specific metrics such as operating levers, competitive advantages, and strategic initiatives. This enables users to perform in-depth analyses and valuations.

Accurate Financial Data

With standardized financials and sector-aware metrics, StockFit API guarantees no taxonomy drift, ensuring that users can model financial data effectively. This accuracy is critical for backtesting and valuation processes.

AI-Friendly Integration

StockFit's data is designed to be compatible with AI workflows, including support for popular AI tools like Claude and Cursor. This makes it easier for developers to leverage AI in their financial analyses and applications.

Use Cases of StockFit API

Investment Research

Investment analysts can utilize StockFit API to access accurate SEC filing data and economic models, aiding them in making informed investment decisions based on reliable fundamentals.

Portfolio Management

Portfolio managers can leverage the API to analyze ETF and mutual fund exposure, allowing for better portfolio construction and risk assessment tailored to specific mandates and sensitivities.

Quantitative Analysis

Quantitative researchers can harness the extensive data provided by StockFit API for algorithmic trading strategies and backtesting, ensuring that their models are built on accurate and timely data.

Financial Reporting

Corporations and financial institutions can use StockFit API to streamline their financial reporting processes, ensuring compliance with regulatory requirements while maintaining a high level of data integrity.

Frequently Asked Questions

What types of data can I access through StockFit API?

StockFit API provides access to a wide range of SEC filing data, including fundamentals, ownership, ETF/mutual fund exposure, insider transactions, and more, all directly sourced from SEC XBRL filings.

How does StockFit API ensure data accuracy?

StockFit API pulls data directly from original SEC filings, eliminating middle layers that could introduce inaccuracies. Each number can be traced back to its source, ensuring the highest level of data integrity.

Can StockFit API handle non-December fiscal years?

Yes, StockFit API is built to accurately compute non-December fiscal years and can reconstruct Q4 data from 10-K and 10-Q filings, ensuring that users have access to reliable financial information.

Is StockFit API compatible with AI tools?

Absolutely. StockFit API is designed to be AI-friendly, with seamless integration for popular AI tools such as Claude and Cursor, making it an excellent choice for developers working on AI-driven financial applications.

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