Power Your Accounting Software with the WhatsApp API
Automate invoice reminders, payment confirmations, and client communication to reduce late payments and improve user engagement. Launch in weeks, not months.
Automate Every Financial Touchpoint
Engage your users where they are most responsive. Go beyond email and deliver critical financial notifications directly on WhatsApp.
Automated Invoice Reminders
Drastically reduce late payments by sending timely reminders for upcoming and overdue invoices. High open rates mean your reminders get seen.
Instant Payment Confirmations
Build trust and provide peace of mind by instantly confirming received payments. Send a PDF receipt directly in the chat for easy record-keeping.
Secure OTP & 2FA Login
Enhance account security for your users by delivering one-time passwords (OTPs) for login and two-factor authentication via the reliable WhatsApp channel.
Proactive Low Balance Alerts
Help users avoid overdrafts or service interruptions. Automatically notify them when their account balance or prepaid credits fall below a set threshold.
Financial Report Delivery
Allow users to request and receive financial summaries, P&L statements, or expense reports as PDF attachments directly through WhatsApp.
2-Way Conversational Support
Integrate WhatsApp as a primary support channel, allowing your users to ask billing questions or get help directly from their messaging app.
A White-Label Solution Designed for Your Platform
We handle the API complexity so you can focus on your core product. Launch a powerful, branded WhatsApp integration and create a new revenue stream.
- Your Brand, Your Portal: Launch a fully whitelabel portal with your logo, brand colors, and custom domain.
- Embeddable Onboarding: Accelerate development with our ready-to-use UI components for customer onboarding.
- You Control the Pricing: Set your own pricing plans and bill customers directly to create a profitable new feature.
- Go Live in Weeks: Our streamlined process means you can integrate, test, and launch in record time.
Branded Portal
Customize with your logo & colors
Client Management
Onboard customers seamlessly
Analytics Dashboard
Track usage & performance
Fast Integration
Go live in weeks, not months
An API Your Developers Will Love
Our API design philosophy is simple: remove every possible point of friction. What used to take hours of wrestling with Meta's docs now takes a few lines of code.
- Intuitive SDKs: Official libraries for Node.js, Python, PHP, and more to get you started in minutes.
- Predictable Webhooks: Receive real-time, reliable notifications for delivery receipts and inbound messages.
- Detailed Logs & Debugging: See every request and response in your dashboard, in real-time.
Integrate with Your Favorite Accounting Software
Seamlessly connect SendZen's WhatsApp API with leading accounting platforms. Automate invoice reminders, payment confirmations, and financial notifications directly from your existing software.
Xero
QuickBooks
FreshBooks
Zoho Books
Tally
Tally Prime
Tally TDL
Don't see your accounting software? Our flexible API works with any platform that supports webhooks or REST APIs.
Start Integrating TodayAccelerate Your Roadmap. Focus on Your Core Product.
Building a robust, multi-tenant WhatsApp integration is a significant investment. Partnering with SendZen provides an immediate ROI, drastically lowering your operational costs and risk.
| Key Consideration | SendZen (Buy) | Build In-House |
|---|---|---|
| Initial Development Time | Days to Weeks | 3-6+ Months |
| Core Partner Features (Onboarding, Templates) | Included Out-of-the-Box | Additional 2-4 Months |
| Ongoing Maintenance & Upgrades | Handled by SendZen | 1-2 Dedicated Engineers |
| Scalability & Reliability | Enterprise-Grade Infrastructure | Requires DevOps Expertise |
| Total Cost of Ownership (1st Year) | Predictable Monthly Fee | ~$150,000+ |
Add a Powerful New Channel to Your Accounting Platform Today
Go from signup to sending your first test message in 5 minutes. Create a new revenue stream and delight your customers with the convenience of WhatsApp.