HR & IT Helpdesk Chatbot with Audio Transcription

n8n template #2752

Summary

An intelligent chatbot that assists employees by answering common HR or IT questions, supporting both text and audio messages. This unique feature ensures employees can conveniently ask questions via voice messages, which are transcribed and processed just like text queries. How It Works Message Capture: When an employee sends a message to the chatbot in WhatsApp or Telegram (text or audio), the chatbot captures the input. Audio Transcription: For audio messages, the chatbot transcribes the content into text using an AI-powered transcription service (e.g., Whisper, Google Cloud Speech-to-Text). Query Processing: The transcribed text (or directly entered text) is sent to an AI service (e.g.,

How to set it up

Open template #2752 on n8n.io and click Use for free, or copy the template JSON and paste it onto an empty canvas in n8n.
Create 6 credentials under Credentials → Add credential: Telegram, Embeddings OpenAI, OpenAI Chat Model, OpenAI, Postgres Chat Memory, Postgres PGVector Store. Then open each of those nodes and pick the credential.
Check the model in the AI Agent node. The template may point at a model your account can't use; swap it for one you have access to.
Click Execute workflow and step through each node's output to confirm the data looks right.
Toggle the workflow to Active so its trigger runs on its own.

Hand off to your agent

Prompt

Help me set up the n8n workflow "HR & IT Helpdesk Chatbot with Audio Transcription" (https://n8n.io/workflows/2752). It uses: HTTP Request, Telegram, AI Agent, Embeddings OpenAI, OpenAI Chat Model, Recursive Character Text Splitter, Default Data Loader, OpenAI, Postgres Chat Memory, Vector Store Question Answer Tool, Postgres PGVector Store. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

HTTP Request Telegram AI Agent Embeddings OpenAI OpenAI Chat Model Recursive Character Text Splitter Default Data Loader OpenAI Postgres Chat Memory Vector Store Question Answer ToolPostgres PGVector Store

Questions

Yes. Felipe Braga published it free on n8n.io, and it has 36K views. It runs on n8n Cloud or a self-hosted n8n instance.

Telegram, Embeddings OpenAI, OpenAI Chat Model, OpenAI, Postgres Chat Memory, Postgres PGVector Store. The other 5 nodes are built into n8n.

Similar workflows

NameViews