> ## 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.

# Classify

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


## API Docs

- Classify [Classify File (Sync)](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/classify-file.md)
- Classify [Classify File (Async)](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/create-classify-run.md)
- Classify [Get Classify Run](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/get-classify-run.md)
- Classify [Cancel Classify Run](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/cancel-classify-run.md)
- Classify [Delete Classify Run](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/delete-classify-run.md)
- Classify [List Classify Runs](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/list-classify-runs.md)
- Classify [Create Classifier](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/create-classifier.md)
- Classify [Get Classifier](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/get-classifier.md)
- Classify [Update Classifier](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/update-classifier.md)
- Classify [List Classifiers](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/list-classifiers.md)
- Classify [Create Classifier Version](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/create-classifier-version.md)
- Classify [Get Classifier Version](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/get-classifier-version.md)
- Classify [List Classifier Versions](https://docs.extend.ai/2026-02-09/api-reference/endpoints/classify/list-classifier-versions.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)