> ## 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 Performance 4.8.0 > Extraction Performance 4.8.0 is the latest base processor version, upgrading the base models used for core extraction and large array strategies. Extraction Performance **4.8.0** is now the latest base processor version. It upgrades the base models used for core extraction and large array strategies > Ship your document processing with Extend. Get started with our APIs, SDKs, and guides.