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India's Best WhatsApp CPaaS Platform

Launch WhatsApp marketing campaigns, send utility updates, and verify users with OTP — all from one platform. Official Meta Cloud API, built for Indian businesses.

Official Meta Cloud API
Active within 16 hours
Customer replies 100% free

WhatsApp Business API active within 16 hours · Cancel anytime

500M+WhatsApp Users in India
99.9%Delivery Reliability
16hrsAPI Activation Time
2,000New Contacts / Day
100%Free Customer Replies
India's WhatsApp-first CPaaS

What is ScaleOne?

One platform for official WhatsApp Business API, SMS, Email, Voice, and powerful automation. Built for Indian businesses who want enterprise-grade communication without enterprise complexity.

16hrsAPI Activation
2,000+Contacts / Day
0Customer Reply Cost
1Unified Dashboard

Official WhatsApp Cloud API

Direct Meta integration. No third-party BSP, no markup, complete control over your WABA, phone numbers, and templates.

  • Verified business profile
  • Green tick eligibility support

All Channels, One Dashboard

Manage WhatsApp broadcasts, utility messages, OTPs, and customer replies from a single shared team inbox.

  • WhatsApp + Email + SMS + Voice
  • Multi-agent team inbox

Automation Without Coding

Build chatbot flows, auto-replies, and drip campaigns using a visual flow builder. No engineering team required.

  • Drag-and-drop flow builder
  • Trigger-based automation

Built for Developers

Integrate in minutes with simple REST APIs and webhooks. Works with any language — PHP, Node.js, Python, Java, and more.

  • REST API + Webhooks
  • Detailed documentation

Why WhatsApp Business?

Reach 500M+ WhatsApp users in India. Market, inform, and authenticate — all from one platform.

Marketing Messages

Promote your products, send festival offers, flash sale alerts, and re-engage customers with rich media broadcasts — images, videos, buttons, all in one message.

  • Bulk broadcasts to lakhs of contacts
  • Rich media — images, video, CTA buttons
  • Schedule campaigns for festivals & sales
  • Track opens, clicks & conversions

Utility Messages

Keep customers informed at every step — order confirmations, shipping updates, payment receipts, appointment reminders. Automatic, instant, and reliable.

  • Order & shipping status updates
  • Payment & invoice notifications
  • Appointment & renewal reminders
  • Account & service alerts

Authentication (OTP)

Secure user logins, verify signups, and protect transactions with instant OTP delivery via WhatsApp. Faster than SMS, higher delivery rates.

  • Sub-5-second OTP delivery
  • Higher delivery rate than SMS
  • One-time password & link templates
  • Fraud protection & retry logic

Affordable Pricing

Pay only for what you send. Per-conversation pricing set by Meta — no hidden charges. And the best part? Customer replies are 100% free.

  • Customer replies — completely free
  • Pay per conversation, not per message
  • Lowest rates for Authentication OTPs
  • Wallet-based — recharge anytime

Build with Our API

Integrate WhatsApp directly into your custom app, website, or CRM. Our REST API makes it easy for developers to send notifications, utility updates, and OTPs — no extra setup needed.

  • REST API — PHP, Node.js, Python, Java
  • Send OTP, utility & marketing via API
  • Real-time webhooks for delivery status
  • Bearer token authentication

Self-Service Templates

Create your own WhatsApp message templates directly from the dashboard — Marketing, Utility, or Authentication. No third-party agency or developer needed. Submit, get approved, and start sending.

  • Create templates in minutes
  • Marketing, Utility & Auth categories
  • Add variables, buttons & media yourself
  • Multi-language support — Hindi, English & more

Everything You Need in One Dashboard

From onboarding to automation — all tools included, no add-ons required

Official WhatsApp API

Meta Cloud API — genuine, direct, no third-party BSP.

Flow Automation

Filter & resolve Level 1 queries automatically — no code needed.

Broadcast Campaigns

Bulk WhatsApp campaigns with scheduling & analytics.

Template Builder

Create & submit templates yourself — no developer required.

REST API & Webhooks

Integrate with any app — PHP, Node, Python, Java.

Shared Team Inbox

Multiple agents, chat assignment, internal notes & history.

Built for Developers. Ready for Any App.

Connect ScaleOne to your website, mobile app, ERP or CRM with our REST APIs and real-time webhooks — no matter what you're building.

OTP & Verification APISend and verify OTPs for login, signup & transactions in real time.
Real-time WebhooksGet instant delivery, read receipts & status updates pushed to your server.
Utility & Order UpdatesTrigger shipping, payment & service notifications directly from your backend.
Any Platform IntegrationWorks with any language — PHP, Node.js, Python, Java & more via simple REST calls.
Explore API Docs
// Send OTP via API
POST /api/v1/otp/send
{
  "phone": "91XXXXXXXXXX",
  "template": "otp_login",
  "channel": "whatsapp"
}

// Webhook: delivery status
{
  "event": "message.delivered",
  "message_id": "wamid.abc123",
  "status": "read"
}

See ScaleOne in Action

Watch how businesses use ScaleOne to transform customer communication

WhatsApp Campaigns

Broadcast messages, manage templates, and track delivery in real-time.

AI Chatbot Builder

Build automated conversation flows with drag-and-drop simplicity.

Analytics & Reports

Track campaign performance, delivery rates, and customer engagement.

Stress-free support. Proactive help.

Real humans. Fast answers. Support in English & Hindi, 24/7. Average live chat response time under 30 seconds.

24/7 English & Hindi
Live chat & tickets
WhatsApp setup help
Migration assistance
Chat with Support
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ScaleOne on your phone

Install the ScaleOne Android app and chat with your customers in real time — wherever you are. Choose the stable app or try our beta with a new design.

ScaleOne App RecommendedStable version — reply to customers in real time from your phone.ScaleOne App Beta New UISame features with a fresh design. Try it and keep the one you like.

Hear What Our Customers Say

Trusted by startups, SMEs and enterprises across India

"Wonderful"

Ranjeet Singh · iOnOne Technologies

"Wonderful"

Ranjeet Singh · iOnOne Technologies

Ready to Start on WhatsApp?

Get your WhatsApp Business API active within 16 hours. Build templates, launch campaigns, and automate customer support.

Get Started Now

No hidden charges · Customer replies are 100% free