SMS OTPs & WhatsApp Messaging — One Platform
Send OTPs at ₹0.25/SMS without DLT registration. Plus WhatsApp broadcasts, chatbots, and automation — all from a single API.
✦ No credit card required · Free plan available · Setup in 5 minutes
Trusted by Businesses Worldwide
Two Powerful Channels, One Dashboard
SMS API
Transactional OTPs at ₹0.25/SMS. No DLT registration required. 99.9% delivery rate with sub-second speed across all Indian networks.
- DLT-free OTP delivery
- ₹0.25 per transactional SMS
- 99.9% delivery rate
- Automatic network routing
WhatsApp Business API
Official Meta BSP. Send broadcasts, build chatbots, and automate customer journeys on WhatsApp with 98% open rates.
- Official Meta BSP partner
- Bulk broadcasts & campaigns
- Chatbot & agent handoff
- Rich media templates
Everything You Need to Message at Scale
From single API calls to full campaign management — we cover every WhatsApp use case.
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Bulk Broadcasts
Send templated messages to thousands of opted-in contacts in minutes with delivery tracking.
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Chatbots & Automation
Build no-code conversation flows that handle support, sales, and bookings 24/7 with agent handoff.
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REST API
Simple HTTP endpoints to send messages, manage contacts, and receive real-time webhooks.
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Real-time Analytics
Delivery receipts, open rates, reply tracking, and campaign performance in one dashboard.
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Message Templates
Pre-approved templates for transactional messages, OTPs, and marketing campaigns with rich media support.
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Compliance Ready
GDPR-compliant opt-in flows, data residency options, and 99.9% SLA uptime guarantee.
Go Live in Under 5 Minutes
Four simple steps from signup to your first message.
Create Your Account
Sign up in 30 seconds. No credit card required. Free plan includes 1,000 messages/month.
Get Your API Keys
Your dashboard generates API credentials instantly. Copy, paste, and start integrating.
Send Your First Message
Use our sandbox to test OTPs, broadcasts, and chatbot flows before going live.
Scale to Millions
Our infrastructure handles 10M+ messages daily with auto-scaling and 99.9% uptime.
Trusted by Teams That Ship Fast
"StartMessaging's WhatsApp API cut our customer response time by 70%. The chatbot handles 80% of queries automatically."
"We switched from Twilio to StartMessaging and saved 40% on messaging costs while getting better delivery rates."
"The sandbox made integration incredibly fast. We were sending OTPs in production within an hour of signing up."
Frequently Asked Questions
What is StartMessaging?
StartMessaging is an official Meta Business Solution Provider that offers WhatsApp Business API and SMS API for businesses of all sizes. We help you send broadcasts, build chatbots, deliver OTPs, and automate customer conversations.
Is there a free plan?
Yes! We offer free testing credits to help you get started. For SMS API (India), you get 40 free SMS credits to test non-DLT OTP delivery instantly. For WhatsApp Business API, sandbox testing is free, while plans and pricing are currently being finalized. No credit card is required to sign up and start testing.
Do you support SMS APIs in India?
Yes! StartMessaging supports transactional SMS and OTP delivery in India at a flat rate of ₹0.25/SMS with sub-second delivery speed and high success rates.
Do I need DLT registration to send SMS in India?
No, you do not need DLT registration. StartMessaging routes your transactional OTPs and alerts through our own pre-approved templates and sender IDs, letting you send SMS instantly without any paperwork.
How quickly can I integrate?
Most developers send their first message within 5 minutes. Our REST API has straightforward endpoints with comprehensive documentation, code samples in 6 languages (cURL, Node.js, Python, PHP, Java, Go), and a sandbox for safe testing.
What countries does StartMessaging support?
StartMessaging serves businesses in India, Brazil, Mexico, Indonesia, UAE, Turkey, and Nigeria with localized pricing and support. WhatsApp messages can be delivered to 180+ countries worldwide.
Is StartMessaging an official Meta partner?
Yes, StartMessaging is an official Meta Business Solution Provider (BSP). This means we have direct access to the WhatsApp Business API with guaranteed reliability, compliance, and enterprise-grade support.
Ready to Start Messaging?
Free plan available. No credit card required. Setup in under 5 minutes.