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 exact lifecycle of every successful campaign — and the final step is the only metric that truly drives revenue.
We deliver your campaigns to active, permission-based audiences — strictly verified and fully compliant lists.
Messages drop into inboxes within seconds, with sender reputation tracking to protect your brand domain.
WhatsApp open rates drastically outperform traditional channels — ensuring your offers actually get noticed.
Direct customer engagements convert into real leads, sales, and repeat business — our primary benchmark.
However you reach us, the same delivery system applies: your own database through our panel, or ours when you need new customers.
You concentrate on growing your business, we execute your cross-channel marketing. Bring your existing contact list, or leverage ours to engage targeted new leads — via WhatsApp, SMS, Voice Call, and RCS.
Already managing a digital, creative, or growth agency? Bring your client projects to us for WhatsApp, SMS, Voice Call, and RCS dispatch — you remain the client lead, we manage infrastructure, data access, and analytics 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