What can you do with WhatsApp & SMS APIs?
Use a whatsapp api provider india and sms api india to send OTPs, bulk messages, and notifications from your product. This page explains the core use cases, the request flow, and a simple example payload.
How the API works (step-by-step)
User action → API call → delivery → logs/webhooks.
Step 1: Trigger event
Login/signup/checkout triggers OTP, alert, or campaign event.
Step 2: Call endpoint
Your backend sends payload to WhatsApp/SMS API endpoint.
Step 3: Delivery + status
Message is sent; status is tracked via logs/webhooks.
Step 4: Retry/monitor
Handle failures safely with monitoring and retry behavior.
Use cases (what teams build with the API)
OTP, bulk messaging, and notifications are the common “day one” workflows.
OTP sending
Login, verification, and account recovery via WhatsApp with SMS fallback.
Bulk messaging
Campaign updates and reminders using a bulk whatsapp messaging api workflow.
Notifications
Order, dispatch, payment, and service alerts with webhook-ready automation.
How to get started
A clear path from signup to your first successful API call.
1. Sign up & login
Create an account and open your dashboard.
2. Generate API key
Create a key in Dashboard → API Keys.
3. Send a test request
Use the docs page to test payloads and learn responses.
4. Monitor logs
Check usage logs to debug and track delivery.
Note: requests require an API key from your dashboard.
Send OTP in seconds
A simple request payload your backend can call for OTP verification flows in India.
Where this fits
Use this for login/signup verification, transaction alerts, and operational notifications.
POST /api/send-otp
{
"mobile": "9876543210",
"message": "Your OTP is 1234"
}
What this does
Your server calls the endpoint, the OTP is delivered (WhatsApp with SMS fallback), and you track delivery status.
Good practice
Validate mobile numbers and keep OTP expiry short (e.g., 5 minutes).
Authentication: requires an API key (generate it in your dashboard).
Visual: API flow diagram
User → API → delivery → logs/webhooks.
Benefits (why teams use this API)
Fast delivery
Designed for OTP and alerts where seconds matter.
Reliable
Logs and verification patterns so you can debug and operate safely.
Scalable
Bulk workflows with usage tracking so you can grow volume confidently.
Visual: OTP / message preview
A simple message preview teams use to validate formatting and delivery.
Launch your WhatsApp + SMS messaging stack in days
Get API access and start with OTP, then expand to alerts and bulk workflows as you grow.