# FusappWork developer documentation > English documentation for Work customers and integrators. Work SDK is planned and not published. Do not invent package installs, endpoints or options. Status labels: available (documented content or source contract; no live-service promise), Train 2, Train 3, planned. ## Pages - [Page not found](https://docs.fusapp.work/404.md): available. Return to the FusappWork documentation. - [AI coding prompts](https://docs.fusapp.work/ai/prompts.md): available. Copy a short, grounded preparation prompt into your AI coding tool. - [Integration concepts](https://docs.fusapp.work/concepts.md): available. A plain-English introduction to products, workspaces and SDK integration. - [FusappWork developer documentation](https://docs.fusapp.work/index.md): available. Understand integration concepts and prepare for the planned Work SDK. - [Work SDK](https://docs.fusapp.work/sdk/work.md): planned. The planned SDK for applications integrating with FusappWork. - [Documentation status](https://docs.fusapp.work/status.md): available. How to interpret availability and planned capabilities. ## Full reference - [llms-full.txt](https://docs.fusapp.work/llms-full.txt): All public pages, with status labels.