# MKK Structured Data API ## Docs - [Data Quality Endpoint: MKK API Reference](https://docs.mkk.celebi.me/api-reference/data-quality.md): Inspect extraction quality across the MKK dataset with a structured report covering low-yield documents, mapping reviews, parse failures, and missing PDFs. - [Documents Endpoints: MKK API Reference Guide](https://docs.mkk.celebi.me/api-reference/documents.md): Search, filter, and retrieve parsed MKK fund disclosure documents including extracted line item values, portfolio data, raw text, and source PDF streaming. - [CSV Export Endpoints: MKK API Reference Guide](https://docs.mkk.celebi.me/api-reference/exports.md): Download bulk CSV exports of portfolio holdings, line item values, and data quality reports from the MKK dataset with up to 100,000 rows per request. - [Funds Endpoints: MKK API Reference](https://docs.mkk.celebi.me/api-reference/funds.md): List all tracked investment funds and retrieve detailed document, line item, and portfolio data for any individual fund by its fund code. - [Health Check Endpoints: MKK API Reference](https://docs.mkk.celebi.me/api-reference/health.md): Check the live status of the MKK Structured Data API and retrieve current document, fund, section, and line item counts across the entire indexed dataset. - [Line Items Endpoints: MKK API Reference Guide](https://docs.mkk.celebi.me/api-reference/line-items.md): Access the canonical line item schema and extracted values from MKK fund disclosures, filtered by fund, section, period, and mapping confidence score. - [Portfolio Entries Endpoints: MKK API Reference](https://docs.mkk.celebi.me/api-reference/portfolio.md): Query normalized portfolio holdings extracted from MKK fund disclosures, with filtering by fund, period, section, security, and ISIN across all documents. - [Sections Endpoints: MKK API Reference Guide](https://docs.mkk.celebi.me/api-reference/sections.md): Browse and search the canonical section schema used to classify line items across all MKK fund disclosure documents, with per-fund filtering support. - [Stocks Endpoints: MKK API Reference Guide](https://docs.mkk.celebi.me/api-reference/stocks.md): Search securities across MKK fund portfolios and retrieve cross-fund holder lists, aggregate market value history, and portfolio weight trends over time. - [Documents: Understanding Parsed Fund Disclosures](https://docs.mkk.celebi.me/concepts/documents.md): Documents are parsed MKK/VYK PDF disclosure reports containing structured line item values, portfolio entries, and optional raw text and table data. - [Funds: Top-Level Entities in the MKK API](https://docs.mkk.celebi.me/concepts/funds.md): Funds are the top-level entities in the MKK API, each identified by a unique fund_code and containing documents, periods, and financial data. - [Line Items: Querying Canonical Financial Metrics](https://docs.mkk.celebi.me/concepts/line-items.md): Line items are canonical financial metrics and text fields extracted from fund reports, identified by stable slugs and organized into report sections. - [Portfolio: Fund Holdings and Equity Aggregates](https://docs.mkk.celebi.me/concepts/portfolio.md): Portfolio entries are normalized holdings rows from fund disclosure reports. Stocks aggregate equity positions across all funds for cross-fund analysis. - [Identify and Review Data Quality Issues](https://docs.mkk.celebi.me/guides/data-quality.md): Use the MKK data quality endpoint to surface low-coverage documents, low-confidence mappings, parse failures, and missing PDFs across your funds. - [Export Fund Data as CSV from the MKK API](https://docs.mkk.celebi.me/guides/exporting-data.md): Download bulk CSV exports of portfolio entries, line item values, and data quality reports, with the same filters available on the JSON endpoints. - [Filter and Search Results in the MKK API](https://docs.mkk.celebi.me/guides/filtering-data.md): Use fund, period, section, and text-search filters across every endpoint, and paginate large result sets with limit and offset parameters. - [Query Funds, Documents, and Portfolio Data](https://docs.mkk.celebi.me/guides/querying-funds.md): Learn how to list funds, retrieve fund details with documents and sections, embed portfolio data, and access source PDFs through the MKK API. - [MKK Structured Data API: Overview and Data Model](https://docs.mkk.celebi.me/introduction.md): Learn how the MKK Structured Data API turns PDF fund disclosure reports into queryable, normalized JSON data you can integrate into your own tools. - [Get Started with the MKK Structured Data API](https://docs.mkk.celebi.me/quickstart.md): Make your first API calls to the MKK Structured Data API. Query funds, retrieve financial line items, and explore portfolio holdings in minutes.