Transactional SMS
Sent to opted-in users for service updates - OTPs, delivery notifications, account alerts. Routed 24/7 on priority paths with high delivery speed.
Bulk SMS
Bulk SMS Gateway India
Transactional, promotional and OTP SMS for businesses across India, sent through REST API, SMPP or the dashboard. Every commercial SMS in India must comply with TRAI DLT regulations, and we help you set that up.
- Transactional
- Promotional
- OTP
- DLT compliant
DLT templateRegistered before sending
Today 10:24 AM
482913 is your login OTP for Your Brand. Do not share it with anyone.
Today 4:10 PM
Your order 1042 has shipped. Track it at example.com/t/1042 - Your Brand
Delivery reportStatus sent back to you
What is Bulk SMS?
Bulk SMS is the delivery of large volumes of text messages to mobile users in India. Businesses use it for OTP verification, order updates, payment alerts, appointment reminders, and promotional campaigns. Every commercial SMS in India must comply with TRAI DLT regulations.
- REST APIFrom your application
- SMPPFrom your SMPP client
- DashboardFrom the web panel
Transactional vs Promotional SMS
Each message type has its own DLT template category and sending rules.
Promotional SMS
Marketing and offer messages sent to DND-scrubbed lists within TRAI-permitted hours. Requires DLT-registered promotional templates.
OTP SMS in India
OTP SMS requires a DLT-registered transactional template and approved sender ID (header). SMSTAKE provides dedicated OTP routes with webhook delivery reports for your verification logic.
Read the OTP SMS guideHow to start sending Bulk SMS
From DLT registration to delivery reports, our team helps you set up each step.
-
1
Register on DLT
Register your business, sender ID and templates. Our DLT support is free; operator fees are separate and approvals come from the operator's DLT platform.
-
2
Choose the message type
Transactional for OTPs and service updates, promotional for offers to DND-scrubbed lists.
-
3
Send your messages
Use the REST API, SMPP or the dashboard, including Unicode SMS in regional languages.
-
4
Track delivery reports
Follow real-time delivery reports, or receive them on your webhook.
Why SMSTAKE for Bulk SMS?
Delivery, coverage and setup support for businesses sending SMS across India.
Direct operator connections
Direct connections to Jio, Airtel, Vi, and BSNL.
Real-time delivery reports
Follow the status of your messages as reports come back.
Pan-India coverage
Reach mobile users in all states and UTs.
Free DLT registration support
End-to-end assistance for all businesses; applicable operator fees are separate.
REST API, SMPP and dashboard
Send from your application, an SMPP client or the web dashboard.
Unicode SMS
Send messages in regional languages.
Common Use Cases
How businesses across industries use Bulk SMS.
OTP SMS for login and payments
BFSI and e-commerce
Order and shipment tracking
Logistics
Payment alerts and account updates
Banking and finance
Exam and admission alerts
EdTech
Appointment reminders
Healthcare
Festival sales and re-engagement campaigns
Retail and marketing
Frequently asked questions
Quick answers about Bulk SMS with SMSTAKE. For anything else, please get in touch with our team.
Do I need DLT registration to send Bulk SMS in India?
Yes. Every commercial SMS in India must comply with TRAI DLT regulations, so your business, sender ID and templates are registered first. Our DLT registration support is free for any business; operator fees are separate, and approvals come from the operator's DLT platform.
What is the difference between transactional and promotional SMS?
Transactional SMS goes to opted-in users for OTPs, delivery notifications and account alerts. Promotional SMS carries offers to DND-scrubbed lists within TRAI-permitted hours and needs DLT-registered promotional templates.
How can I send Bulk SMS with SMSTAKE?
You can send through the REST API, SMPP or the dashboard. Talk to our team for API access, sandbox guidance and DLT onboarding assistance.
Can I send SMS in regional languages?
Yes. SMSTAKE supports Unicode SMS, so you can send messages in regional languages.
Get started with Bulk SMS
Talk to our team for Bulk SMS API access, sandbox guidance, and DLT onboarding assistance.