> ## 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. # File Endpoints > Ship your document processing with Extend. Get started with our APIs, SDKs, and guides. ## API Docs - File Endpoints [Upload File](https://docs.extend.ai/2025-04-21/developers/api-reference/file-endpoints/upload-file.md) - File Endpoints [Get File](https://docs.extend.ai/2025-04-21/developers/api-reference/file-endpoints/get-file.md) - File Endpoints [Delete File](https://docs.extend.ai/2025-04-21/developers/api-reference/file-endpoints/delete-file.md) - File Endpoints [List Files](https://docs.extend.ai/2025-04-21/developers/api-reference/file-endpoints/list-files.md) - File Endpoints [Create File](https://docs.extend.ai/2025-04-21/developers/api-reference/file-endpoints/create-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)