This comprehensive n8n workflow facilitates advanced Telegram bot functionalities, including handling user messages, managing group membership events, automating user registration, processing payments, and delivering dynamic responses. It triggers on Telegram messages, categorizes message types such as text, photos, files, and voices, and supports command execution via keyword detection. The workflow integrates external services like Google Sheets for user status updates, Google Drive or Notion for internal knowledge base queries, and Google Sheets or CRM systems for order tracking.

Key nodes include Telegram triggers for listening to user interactions, switches for message classification, sub-workflows for handling registration and payment processes, and AI integrations leveraging OpenAI models to create a conversational AI agent. Additionally, it provides detailed sticky notes throughout the workflow for documentation and guidance, making it accessible for users to customize.

Used in scenarios such as customer support, membership management, online payment acceptance, and interactive rule-based communications, this workflow automates repetitive tasks, enhances user engagement, and streamlines administrative workflows in Telegram-based services.

Node Count	>20 Nodes
Nodes Used	@n8n/n8n-nodes-langchain.agent, @n8n/n8n-nodes-langchain.lmChatOpenAi, @n8n/n8n-nodes-langchain.memoryBufferWindow, @n8n/n8n-nodes-langchain.toolWorkflow, executeWorkflow, googleSheets, if, set, stickyNote, switch, telegram, telegramTrigger