Introduction: What Is n8n?

n8n is an open-source workflow automation platform that allows businesses to connect different applications and automate repetitive tasks without heavy coding.
In simple terms, n8n helps you build automated workflows that move data and trigger actions across tools such as CRMs, WhatsApp APIs, email platforms, Google Sheets, and cloud services.
For Indian businesses, n8n is especially valuable because it offers:
- Cost-effective automation
- Self-hosting options
- High flexibility with APIs
- Easy integration with local and global tools
Why n8n Is Popular Among Indian Businesses
Many Indian startups, agencies, and SMEs prefer n8n because it provides enterprise-level automation without high monthly costs.
Key Advantages
- Open-source and self-hosted option
- No strict task limits (self-hosted)
- Strong API and webhook support
- Suitable for WhatsApp and CRM automation
- Works well with Indian SaaS tools

Understanding n8n Nodes
In n8n, nodes are the core components of every workflow. Each node performs a specific action or listens for a trigger.
1. Trigger Nodes
Trigger nodes start a workflow automatically.
Common examples:
- Webhook Trigger
- Schedule Trigger
- App-based Triggers (CRM, Forms, Sheets)
2. Action Nodes
Action nodes perform tasks after the workflow is triggered.
Examples:
- Send WhatsApp messages
- Send emails
- Create or update CRM records
- Insert data into Google Sheets
3. Logic & Control Nodes
These nodes manage decision-making and data handling.
Examples:
- IF node
- Switch node
- Merge node
- Set and Function nodes
How n8n Workflows Function
A workflow in n8n is a sequence of connected nodes that automate a complete process.
Example workflow:
- A lead submits a form
- Webhook triggers the workflow
- Lead data is stored in CRM
- WhatsApp confirmation message is sent
- Email notification is delivered to the sales team
All these steps run automatically without manual intervention.
Types of Workflows in n8n
1. Scheduled Workflows
Run at fixed times (daily, weekly, or monthly).
Used for:
- Reports
- Data backups
- Follow-up reminders
2. Event-Based Workflows
Triggered by actions such as form submissions or API calls.
Used for:
- Lead capture
- Instant notifications
- Customer onboarding
3. API-Driven Workflows
Triggered via external systems using APIs or webhooks.
Used for:
- WhatsApp automation
- Payment confirmations
- App integrations
How to Set Up n8n (Beginner-Friendly)
Option 1: n8n Cloud
- Visit the official n8n website
- Create an account
- Start building workflows instantly
Best for beginners and non-technical users.
Option 2: Self-Hosted n8n
Recommended for agencies and businesses that want full control.
Popular hosting options in India:
- VPS hosting
- Cloud servers
- Docker-based installations
Benefits:
- Lower long-term cost
- Unlimited workflows
- Full data control
Common Automation Use Cases in India

1. WhatsApp Automation
- Automatic replies to customer queries
- Lead follow-ups
- Payment confirmations
2. CRM & Sales Automation
- Auto-assign leads
- Status updates
- Sales notifications
3. Marketing Automation
- Email and WhatsApp campaigns
- Lead nurturing workflows
- Analytics data syncing
4. Support & Operations
- Ticket creation
- Internal alerts
- Workflow-based escalations
n8n With AI Tools
n8n integrates smoothly with AI platforms such as:
- AI chatbots
- Language models
- Data processing APIs
This allows businesses to:
- Automate customer responses
- Classify leads using AI
- Generate reports automatically
Why n8n Is Ideal for Automation Agencies
For digital marketing and automation agencies in India, n8n enables:
- Custom workflow development
- Client-specific automation
- Scalable service offerings
- Reduced operational costs