# Dify Docs

> Dify is an open-source platform for building AI applications. It provides a comprehensive set of tools and features to help you build, deploy, and manage your AI applications.

- [Cloud (265 pages)](https://docs.dify.ai/_llms/en/cloud.md): Documentation for Cloud.
- [Self-Host (277 pages)](https://docs.dify.ai/_llms/en/self-host.md): Documentation for Self-Host.

## OpenAPI Specs

- [openapi_service](/en/api-reference/openapi_service.json)
- [external-knowledge-api 2](/versions/3-0-x/ja/user-guide/knowledge-base/api-documentation/external-knowledge-api 2.json)
- [external-knowledge-api](/versions/3-0-x/ja/user-guide/knowledge-base/api-documentation/external-knowledge-api.json)
- [external-knowledge-api](/versions/3-0-x/zh/user-guide/knowledge-base/api-documentation/external-knowledge-api.json)
- [外部知识库 API](/versions/legacy/ja/user-guide/.gitbook/assets/外部知识库 API.json)
- [external-knowledge-api](/versions/legacy/ja/user-guide/knowledge-base/api-connection/external-knowledge-api.json)
- [外部知识库 API](/versions/legacy/zh/user-guide/.gitbook/assets/外部知识库 API.json)
- [external-knowledge-api](/versions/legacy/zh/user-guide/knowledge-base/api-documentation/external-knowledge-api.json)
- [external-knowledge-api](/zh-cn/user-guide/knowledge-base/api-documentation/external-knowledge-api.json)
- [openapi_knowledge](/zh-hans/openapi_knowledge.json)
- [external-knowledge-api](/zh-hans/user-guide/knowledge-base/api-documentation/external-knowledge-api.json)

> The links below point to documentation indexes. Follow each `/_llms/` index recursively until you reach documentation pages.

## Indexes

- [English / Cloud (265 pages)](https://docs.dify.ai/_llms/en/cloud.md): Documentation for English / Cloud.
- [English / Cloud / Developer Resources (153 pages)](https://docs.dify.ai/_llms/en/cloud/developer-resources.md): Documentation for English / Cloud / Developer Resources.
- [English / Self-Host (277 pages)](https://docs.dify.ai/_llms/en/self-host.md): Documentation for English / Self-Host.
- [English / Self-Host / Developer Resources (153 pages)](https://docs.dify.ai/_llms/en/self-host/developer-resources.md): Documentation for English / Self-Host / Developer Resources.
- [Chinese (372 pages)](https://docs.dify.ai/_llms/zh.md): Documentation for Chinese.
- [Chinese / Cloud (265 pages)](https://docs.dify.ai/_llms/zh/cloud.md): Documentation for Chinese / Cloud.
- [Chinese / Cloud / 开发者资源 (153 pages)](https://docs.dify.ai/_llms/zh/cloud/tab-a92a2441.md): Documentation for Chinese / Cloud / 开发者资源.
- [Chinese / 自部署 (277 pages)](https://docs.dify.ai/_llms/zh/product.md): Documentation for Chinese / 自部署.
- [Chinese / 自部署 / 开发者资源 (153 pages)](https://docs.dify.ai/_llms/zh/product/tab-28bbecb2.md): Documentation for Chinese / 自部署 / 开发者资源.
- [Japanese (372 pages)](https://docs.dify.ai/_llms/ja.md): Documentation for Japanese.
- [Japanese / Cloud (265 pages)](https://docs.dify.ai/_llms/ja/cloud.md): Documentation for Japanese / Cloud.
- [Japanese / Cloud / 開発者リソース (153 pages)](https://docs.dify.ai/_llms/ja/cloud/tab-fda61034.md): Documentation for Japanese / Cloud / 開発者リソース.
- [Japanese / セルフホスト (277 pages)](https://docs.dify.ai/_llms/ja/product.md): Documentation for Japanese / セルフホスト.
- [Japanese / セルフホスト / 開発者リソース (153 pages)](https://docs.dify.ai/_llms/ja/product/tab-83ad1113.md): Documentation for Japanese / セルフホスト / 開発者リソース.