Welcome to Arch! ================ .. image:: /_static/img/arch-logo.png :width: 80% :align: center .. raw:: html

Build fast, robust, and personalized GenAI apps

Arch (built by the contributors of `Envoy `_ ) was born out of the belief that: *Prompts are nuanced and opaque user requests, which require the same capabilities as traditional HTTP requests including secure handling, intelligent routing, robust observability, and integration with backend (API) systems for personalization - all outside business logic.* .. tab-set:: .. tab-item:: Get Started .. toctree:: :caption: Get Started :titlesonly: get_started/overview get_started/intro_to_arch get_started/quickstart .. tab-item:: Concepts .. toctree:: :caption: Concepts :titlesonly: concepts/tech_overview/tech_overview concepts/llm_provider concepts/prompt_target .. tab-item:: Guides .. toctree:: :caption: Guides :titlesonly: guides/prompt_guard guides/function_calling guides/observability/observability .. tab-item:: Build with Arch .. toctree:: :caption: Build with Arch :titlesonly: build_with_arch/agent build_with_arch/rag .. tab-item:: Resources .. toctree:: :caption: Resources :titlesonly: resources/configuration_reference