> ## 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. # Legacy > Ship your document processing with Extend. Get started with our APIs, SDKs, and guides. ## API Docs - Legacy [Create Processor Run](https://docs.extend.ai/api-reference/endpoints/legacy/create-processor-run.md) - Legacy [Get Processor Run](https://docs.extend.ai/api-reference/endpoints/legacy/get-processor-run.md) - Legacy [Delete Processor Run](https://docs.extend.ai/api-reference/endpoints/legacy/delete-processor-run.md) - Legacy [Cancel Processor Run](https://docs.extend.ai/api-reference/endpoints/legacy/cancel-processor-run.md) - Legacy [List Processor Runs](https://docs.extend.ai/api-reference/endpoints/legacy/list-processor-runs.md) - Legacy [Create Processor](https://docs.extend.ai/api-reference/endpoints/legacy/create-processor.md) - Legacy [List Processors](https://docs.extend.ai/api-reference/endpoints/legacy/list-processors.md) - Legacy [Update Processor](https://docs.extend.ai/api-reference/endpoints/legacy/update-processor.md) - Legacy [List Processor Versions](https://docs.extend.ai/api-reference/endpoints/legacy/list-processor-versions.md) - Legacy [Publish Processor](https://docs.extend.ai/api-reference/endpoints/legacy/publish-processor.md) - Legacy [Get Processor Version](https://docs.extend.ai/api-reference/endpoints/legacy/get-processor-version.md) - Legacy [Get Batch Processor Run](https://docs.extend.ai/api-reference/endpoints/legacy/get-batch-processor-run.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://docs.extend.ai/2026-02-09/api-reference/endpoints/legacy/openapi.json) - [OpenAPI YAML](https://docs.extend.ai/2026-02-09/api-reference/endpoints/legacy/openapi.yaml)