Connected API Platform

Automate Your Business WhatsApp Alerts

Seamlessly link your ERP, CRM, Billing, or Accounting systems with the BillSetu API Bridge. Instantly dispatch automated invoices, payment alerts, and document updates directly to your clients over WhatsApp.

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Enterprise ERP Connectivity

Direct Support for Busy Accounting Software

BillSetu features native, out-of-the-box support for the popular Busy ERP and Accounting Software. You don't need custom programming or expensive integration experts.

Auto Parameter Mapping: Supports standard Busy HTTP request headers (`RecieverMobile`, `RecieverName`, `Message`) automatically.
Automatic PDF Extraction: Scans message content for `files.busy.in` invoice links and dynamically extracts them as attachments.
Set Up in 2 Minutes: Just paste your custom BillSetu endpoint directly into Busy's HTTP utility configuration and start sending.

Get Your Busy Webhook URL

BUSY HTTP PARAMETERS MAP

Your Busy Accounting configurations map automatically to our standard API parameters with zero schema translation needed:

Busy Parameter	Mapped Field	Resolution
`RecieverMobile`	Recipient Mobile	Cleaned & prefixed to standard format
`Message`	Alert Body	Full custom message with line breaks
`PDF`	Document Attachment	Direct PDF delivery to recipient's phone

Integration Flow

How Does It Work?

Set up your automated WhatsApp billing pipeline in three simple steps with no complex development required.

Connect API

Trigger our high-performance REST API from your invoicing, ERP, or accounting system when invoices or reports are generated.

Run Agent

Launch our lightweight, secure Windows desktop agent and complete a one-time scan of the WhatsApp Web QR code to establish connectivity.

Instant Delivery

The desktop agent fetches pending messages from the cloud bridge and automatically delivers the messages and PDFs to your clients.

Simple Pricing

One Plan. Everything Included.

No hidden fees or complicated tiers. Get full access to the BillSetu API Bridge and automated WhatsApp delivery.

Premium

Full Access

₹5000 / year

Start with a 15-day risk-free trial. No credit card required.

Unlimited WhatsApp Message Delivery
Direct Busy ERP Integration
Automatic PDF Extraction & Sending
Robust Developer API Access
Offline Cloud Message Buffering
Premium 24/7 Developer Support

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Cancel anytime. Instant automated activation.

Developer Resources

Integrate in Minutes

Simple REST API endpoints allow system engineers to trigger WhatsApp notifications from any programming language or enterprise application.

// Dispatch a transactional WhatsApp document via terminal:

curl -X POST "https://billsetu.com/api/v1/messages/send" \
  -H "Content-Type: application/json" \
  -d '{
    "username": "your_user_id",
    "password": "your_password",
    "phone": "9198******10",
    "message": "Dear customer, your invoice is ready.",
    "document_url": "https://example.com/invoice.pdf"
  }'

// Integration snippet in Python using requests:

import requests

url = "https://billsetu.com/api/v1/messages/send"
payload = {
    "username": "your_user_id",
    "password": "your_password",
    "phone": "9198******10",
    "message": "Dear customer, your invoice is ready.",
    "document_url": "https://example.com/invoice.pdf"
}

response = requests.post(url, json=payload)
print(response.json())

// Integration snippet in Node.js using fetch:

const url = "https://billsetu.com/api/v1/messages/send";
const payload = {
    username: "your_user_id",
    password: "your_password",
    phone: "9198******10",
    message: "Dear customer, your invoice is ready.",
    document_url: "https://example.com/invoice.pdf"
};

fetch(url, {
    method: "POST",
    headers: { "Content-Type": "application/json" },
    body: JSON.stringify(payload)
})
.then(res => res.json())
.then(data => console.log(data));

// Direct HTTP Parameter configuration mapping for Busy Accounting:

# Configure Busy ERP triggers with these values:
HTTP URL:   https://billsetu.com/api/v1/messages/send
Method:     POST
Parameters:
  username       = <your_user_id>
  password       = <your_password>
  RecieverMobile = <CustomerMobile>
  Message        = <AlertContent>
  PDF            = <InvoicePDFPath>

VALUE COMPARISON MATRIX

Discover the massive cost-savings and operational benefits of our "Bring Your Own WhatsApp" bridge compared to official API vendors.

Feature	Official WhatsApp API	BillSetu Bridge
Per-Message Charge	~0.30 - 0.50 INR	0.00 INR (Unlimited)
Template Approvals	Mandatory & Slow	None (Instant Delivery)
Offline Queuing	Varies	Cloud Buffer Backup
Setup Timeline	Days (KYC Required)	5 Minutes (Scan QR)

No credit card required. Start with a 15-day free trial.

Fail-Safe Cloud Buffering

PC lost power or internet? BillSetu automatically holds all outbound invoices in a secure cloud buffer queue and instantly delivers them the moment your local desktop agent returns online.

Smart Indian Prefix Validation

Never worry about database formatting again. Our intelligent routing system validates recipient contacts and automatically prefixes the standard `91` country code for all 10-digit Indian numbers.

24/7 Premium Support

Have questions or need assistance setting up your ERP integration? Connect with our developer support desk instantly on WhatsApp.

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See BillSetu in action. Schedule a personalized walkthrough with our integration experts.

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Technical Support

Need help configuring your API or Desktop Agent? Our technical team is on standby.

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