n8n + Sarvam AI: Building an AI Voice Agent for Real Estate

Real estate teams lose valuable leads every day because they can't answer every phone call instantly.

• A buyer calls after office hours.
• An agent is busy showing another property.
• Someone forgets to follow up.

The result? A warm lead becomes someone else's customer.

In this guide, we'll build exactly that using n8n and Sarvam AI.

Why Voice AI for Real Estate?

Property buying is highly conversational.

Most buyers don't want to fill out long forms. They simply want to call and ask:

• Is the property still available?
• What's the price?
• Can I schedule a visit this weekend?
• Is parking included?
• Which schools are nearby?

Instead of making buyers wait, an AI voice agent can respond instantly.

Benefits include:

• 24/7 lead handling
• Faster response times
• Higher appointment booking rates
• Reduced workload for sales teams
• Better customer experience

Why n8n?

n8n acts as the orchestration layer.

It connects every service involved in the conversation without requiring a large amount of custom backend code.

Typical integrations include:

• CRM
• Google Calendar
• WhatsApp
• Email
• Airtable
• PostgreSQL
• Property management software
• Slack notifications

Instead of writing dozens of API integrations manually, n8n manages the workflow visually.

Why Sarvam AI?

Sarvam AI provides powerful multilingual speech capabilities, making it particularly useful for Indian businesses.

The voice agent can:

• Understand spoken conversations
• Generate natural responses
• Support Indian languages
• Handle mixed-language conversations (Hindi + English)
• Convert speech to text
• Convert text back into natural speech

This makes it ideal for real estate companies serving diverse customers across India.

Architecture
Customer Call
│
▼
Sarvam AI Voice
│
Speech → Text
│
▼
n8n Workflow
│
├── Search Property Database
├── Check Calendar
├── Verify Availability
├── Save Lead in CRM
├── Send WhatsApp Confirmation
└── Notify Sales Agent
│
▼
Sarvam AI
Text → Speech
│
▼
Customer Receives Booking Confirmation

Step 1: Receive the Phone Call

The customer calls your business number.

Sarvam AI answers automatically.

Example conversation:

Customer:

Hi, I'm looking for a 3 BHK apartment in Ahmedabad.
The voice AI converts the speech into structured text.

Step 2: Extract Customer Intent

The workflow identifies important details such as:

Property type
Budget
Preferred location
Visit date
Customer name
Phone number

Example output:

{ "property": "3 BHK", "city": "Ahmedabad", "budget": "1 Cr", "visit": "Saturday" }

Step 3: Search Available Properties

n8n queries your property database or CRM.

Possible sources include:

• PostgreSQL
• Airtable
• Notion
• HubSpot
• Salesforce
• Custom APIs

The workflow returns matching listings.

Step 4: Answer Customer Questions

Instead of reading a scripted response, the AI generates natural answers.

Example:

Customer
Is parking available?
AI
Yes, every apartment includes one covered parking space.

Step 5: Check Calendar Availability

Once the customer wants a property visit:

n8n checks:

• Google Calendar
• Microsoft Outlook
• Agent availability
• Existing appointments

The workflow finds the next available time slot.

Step 6: Confirm the Booking

The AI asks:
Would Saturday at 4 PM work for you?

Customer:
Yes.

The workflow automatically:

• Creates a calendar event
• Assigns the sales agent
• Saves the lead
• Updates the CRM

No manual data entry required.

Step 7: Send Follow-up Messages

After booking, n8n can automatically send:

WhatsApp
Your property visit is confirmed.

Saturday
4:00 PM

Location:
Green Heights Residency

See you soon.

It can also send:

• SMS
• Email
• Internal Slack notification
• CRM update

Example n8n Workflow

Incoming Call
↓
Speech-to-Text
↓
Extract Intent
↓
Search Property
↓
Answer Questions
↓
Check Calendar
↓
Create Appointment
↓
Update CRM
↓
Send WhatsApp
↓
Notify Sales Team

Final Thoughts

Combining n8n with Sarvam AI creates a practical solution for real estate businesses looking to modernize customer interactions. The workflow is flexible, scalable, and can integrate with your existing CRM, calendars, messaging platforms, and property databases.

As Voice AI continues to evolve, businesses that automate their first customer interaction will gain a significant competitive advantage. Instead of losing leads to delayed responses, every inquiry becomes an opportunity to schedule the next property showing.

Hire an AI Voice agent from us. If you're exploring AI-powered automation for real estate, this is an excellent use case to start with.