> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aicoflow.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> AICO documentation index

AICO is a voice- and chat-agent runtime. Conversations run over phone
(SIP), WhatsApp, SMS, the embeddable web widget, and native clients;
the backend runs a graph-based flow executor that calls pluggable STT,
TTS, and LLM providers.

## Platform

* [Overview](/platform/overview) — stack at a glance
* [Concepts](/platform/concepts) — how a session runs end-to-end
* [Channels](/platform/channels) — every conversation surface and its capabilities
* [Flow Triggering](/platform/triggers) — every way a conversation starts, and how each is authenticated
* [Client Surfaces](/platform/clients) — widget, extension, native apps, and the two access tiers
* [Flow Execution](/platform/flows) — graph engine, node types, memory, tools
* [Provider Ecosystem](/platform/providers) — STT / TTS / LLM catalog and per-flow config
* [Hardware sizing](/platform/sizing) — VRAM / GPU tiers / topology
* [Security](/platform/security) — auth, roles, tenant model, audit

## Connectors

* [Connectors introduction](/connectors/introduction)
* [Brunkhorst](/connectors/brunkhorst/overview)
* [PlanSo](/connectors/reit/overview)

## API

* AICO API reference (tab above)
* Brunkhorst / PlanSo API references (tabs above)

## Support

* Email: [support@aicoflow.com](mailto:support@aicoflow.com)
* GitHub: [aico-systems](https://github.com/aico-systems)
