> ## 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.

# Files

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


## API Docs

- Files [Upload File](https://docs.extend.ai/2026-02-09/api-reference/endpoints/file/upload-file.md)
- Files [Get File](https://docs.extend.ai/2026-02-09/api-reference/endpoints/file/get-file.md)
- Files [List Files](https://docs.extend.ai/2026-02-09/api-reference/endpoints/file/list-files.md)
- Files [Delete File](https://docs.extend.ai/2026-02-09/api-reference/endpoints/file/delete-file.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.extend.ai/openapi.json)
- [OpenAPI YAML](https://docs.extend.ai/openapi.yaml)