> ## Documentation Index
> Fetch the complete documentation index at: https://docs.extend.ai/llms.txt
> Use this file to discover all available pages before exploring further.
>
> ## API version
> The current API version is `2026-02-09`, served at the site root (no version prefix in URLs).
> If this page URL contains `/2025-04-21/` or `/2024-12-23/`, you are reading an older API version.
> Prefer the current docs at https://docs.extend.ai/llms.txt unless the user explicitly needs that older version.
> Do not treat older-version pages as the source of truth for new integrations.

# Extraction

> Ship your document processing with Extend. Get started with our APIs, SDKs, and guides.

## Docs

- [Review Agent](https://docs.extend.ai/2025-04-21/product/extraction/review-agent.md): The Review Agent analyzes extraction results to flag issues and produce an intelligent confidence score that improves on logprobs and OCR-based scores.
- [Operator](https://docs.extend.ai/2025-04-21/product/extraction/operator.md): Agent-guided extraction for long, complex, table-heavy documents.