SMSINDIAHUB powers automated messaging, bulk SMS, WhatsApp API, RCS, and Voice solutions for over 25,000+ businesses across India with 99.9% uptime.
Seamlessly combine WhatsApp Business API, Bulk SMS, RCS messaging, and Automated Voice to engage customers at every touchpoint.
Build stronger customer connections with Cloud-based & WhatsApp Business API.
Explore WhatsApp API →Authenticate and verify your user's mobile. Integrate OTP Service with your software or application.
Explore OTP SMS →Use the Promotional SMS Service to send offers, discounts, and deals in bulk, and do more.
Explore Bulk SMS →Use the RCS Marketing Service to send rich media, interactive buttons, and carousels in bulk, and do more.
Explore RCS →Voice Call Service Provider for your business. Send recorded bulk voice call to your targeted audience in India.
Explore Voice Calls →Missed Call Number allows companies to place themselves in front of their target audience effectively like giving a call.
Explore Missed Calls →Hassle-free TRAI DLT portal setup, entity registration, header approval, and template scrubbing assistance for instant compliance.
Get DLT Support →Welcome your client with professional IVR Service for your business and route calls to the right team based on the caller’s input.
Explore Cloud IVR →Engage customers where they already spend their time. With SMSIndiaHub's official WhatsApp Business Platform, deploy automated lead qualification chatbots, send rich media brochures, recover abandoned carts, and provide 24/7 instant support.
Our RESTful HTTP API & SMPP v3.4 endpoints allow your engineering team to send transactional notifications, automated OTPs, and WhatsApp broadcasts with comprehensive DLT template compliance.
import requests
url = "https://api.smsindiahub.in/api/mt/SendSMS"
payload = {
"Account.APIKey": "YOUR_API_KEY",
"SenderId": "SMSHUB",
"Message": "Your OTP is 482910 for login. Valid for 10 mins. - SMSIndiaHub",
"Channel": "2",
"DCS": "0",
"FlashSMS": "0",
"Number": "919876543210",
"Route": "1",
"PEId": "1101234567890123456",
"TemplateId": "1107123456789012345"
}
response = requests.post(url, json=payload)
print(response.json()){
"ErrorCode": "000",
"ErrorMessage": "Success",
"JobId": "JOB_987654321098",
"MessageData": [
{
"Number": "919876543210",
"MessageId": "MSG_5678901234",
"DeliveryDate": "2026-09-04 12:45:00"
}
]
}This is the actual path every campaign takes — and the one metric that matters most is the last one.
We launch your campaign to a permission-based, opted-in list — never bought or scraped contacts.
Messages reach your audience within minutes, with quality-rating monitoring so your number stays trusted.
WhatsApp read rates consistently outperform email — your message actually gets seen.
Real conversations turn into orders, bookings, and repeat customers — this is what we optimise for.
However you reach us, the same delivery system applies: your own database through our panel, or ours when you need new customers.
You focus on running your business, we handle your multi-channel campaigns. Bring your own customer database, or tap into ours to reach verified new customers — across WhatsApp, SMS, Voice Call, and RCS.
Already running a marketing, design, or consulting business? Bring your clients to us for WhatsApp, SMS, Voice Call, and RCS execution — you stay the main contact, we handle delivery, databases, and reporting behind the scenes.
SMSINDIAHUB powers enterprise communications with direct SS7 & SMPP v3.4 interconnects across all 22 Indian telecom circles and tier-1 global operator routes in 190+ countries.
"I'm really happy with the support and service provided by SMSIndiaHub. They handle our WhatsApp Business API automation and bulk promotional campaigns, and the results have been fantastic. Their platform is super fast and easy to use."
— Anu Choudhury, Verified Client
"We connected with SMSIndiaHub for a WhatsApp & SMS marketing campaign during our new store launch, and they did a great job. The OTP delivery speed and success rates were excellent. Highly recommended!"
— Bhandari Extra, Store Owner
"Have had an amazing experience with SMSIndiaHub's enterprise bulk SMS & WhatsApp API services. Extremely prompt customer support & sub-second SLA delivery. Best in the industry! :-)"
— Simran Kukreja, Local Guide · Google Review