# HR assistant via WhatsApp: handle leave, attendance and employee queries
This automation template enables HR professionals and IT teams to delegate routine tasks to an AI agent operating through WhatsApp. The system receives employee messages, classifies them using an LLM, and routes them to dedicated handlers for leave requests, attendance, HR inquiries, or complaints.
## Who it´s for
- HR specialists in mid-sized and large companies automating routine processes
- IT departments deploying internal HR chatbots based on WhatsApp
- Recruiters needing fast candidate screening against job descriptions
- Employees requesting information about leave policies and company rules
- Department managers receiving automated notifications about requests and complaints
## What the automation does
- Receives text, voice, image, and location messages via WhatsApp
- Classifies requests using LangChain and OpenAI (leave, attendance, HR query, complaint)
- Automatically approves short leave requests or forwards longer ones to managers via Gmail
- Logs entry/exit times based on geolocation data into Google Sheets
- Answers employee questions by retrieving up-to-date policy excerpts via vector search in Supabase
- Processes resumes and ranks candidates based on job description fit
## What´s included
- Ready-to-use n8n workflow with LangChain agent setup
- Trigger and routing logic for message types
- Integrations with WhatsApp, Google Sheets, Gmail, Google Calendar, Supabase, and OpenAI
- Basic written instructions for deployment and adaptation
## Requirements for setup
- n8n account with external API access
- WhatsApp Business number with API connectivity
- Google accounts (Sheets, Gmail, Calendar) with APIs enabled
- OpenAI API access for text and audio processing
- Supabase instance with vector database configured for HR documents
## Benefits and outcomes
- Reduced HR workload through autonomous handling of common requests
- Faster employee responses — 24/7 access to information via WhatsApp
- Accurate attendance tracking without additional hardware
- Efficient pre-screening of candidates based on resume analysis
- Centralized data storage in Google Sheets and Supabase
- Fewer errors in leave and sick-day processing
## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via chat
No feedback yet