Transactional SMS Service in India

Transactional SMS

Service SMS includes two categories โ€” Implicit and Explicit. Service Implicit is used to send OTPs and alerts to registered users; Service Explicit sends promotional messages to existing customers after receiving their consent.

DLT Compliant
24ร—7 Delivery
30,000+ Developers
SMSGATEWAYHUB OTP 847291 verified โœ“ ORDER #ORD8821 confirmed ๐Ÿ“ฆ BANKING โ‚น5,000 debited ๐Ÿ’ณ APPOINTMENT 3:00 PM, June 14 ๐Ÿ“… ๐Ÿ”” DLT Approved โœ“ 99.9% Uptime โšก 24ร—7 Delivery
30K+Developers
99.9%Uptime
24/7Delivery
0%
messages read within 90 seconds
0
number of times we check our phones each day
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mobile users globally

Instant and timely
engagement with your customers

Our SMS service gets the right message to your target customer groups in real-time to achieve valuable business outcomes. Popular use cases include:

  • Alerts and notifications
  • Appointments
  • Billing and payments
  • Business communications
  • Competitions
  • Customer campaigns
  • Marketing campaigns
  • Staff rostering
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Real-time delivery

Every message reaches your customer within seconds โ€” tracked, logged and confirmed end-to-end.

Integrate our full-featured SMS APIs in minutes

Trusted by 30,000+ developers across India for reliable, scalable transactional messaging.

API HUB OTP BANK ALERT DLT Approved REST API Kit 99.9% Uptime
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Pay-as-you-Go

Free to integrate โ€” pay only for SMS credits you use. No hidden fees.

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Secure & Scalable APIs

Reliable & scalable SMS APIs trusted by 30,000+ developers across India.

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Full-Featured API Kit

Fetch delivery receipts, manage contacts, schedule messages, retrieve credit balance & more with SMSGATEWAYHUB APIs.

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Expert Support

Our expert team is always ready to help with integration & support.

Transactional SMS Features

Transactional route can only be used for sending OTPs, alerts and informational messages to your registered users.

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Send SMS With Brand Name

Brand your SMS using your company name. Instantly recognizable when delivered to your customers' mobile phones.

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Schedule SMS for Future

Schedule your SMS messages to be sent at a future date and time โ€” up to a year into the future.

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SMS Delivery on All Numbers

Transactional SMS is delivered to both DND and NON-DND numbers for maximum reach.

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No Time Restriction

Send alerts and reminders 24ร—7. Get instant deliverability across our platform any time of day.

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Template Based SMS Service

Design a Normal or Premium SMS Template which goes live once approved by admin.

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Group Messaging

SMSGATEWAYHUB provides group SMS services โ€” send messages to an entire group in one single instance.

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Genuine Delivery Report

Get dynamic delivery reports (CDRs) showing the real-time status of every SMS you send.

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User-Friendly SMS Portal

Simple, well-structured panel for sending SMS in no time โ€” no technical skills needed.

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Multiple Routes

Smart routing transmits your messages over multiple network routes carrying the least traffic.

Real World Impact

Case Studies

See how businesses across sectors use transactional SMS to drive results.

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Marketing

Bulk SMS for Advertising & Marketing

Add SMSGATEWAYHUB bulk SMS to the channel mix and delight your customers with the best mobile marketing returns.

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Appointment reminder sent โœ“
Healthcare

Bulk SMS Service for Healthcare

Be the hospital-at-hand using SMSGATEWAYHUB SMS services. Make patients feel their health is your top priority.

Read More โ†’
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Logistics

Bulk SMS Service for Logistics

Be the logistics company that keeps customers happy with efficient, on-time delivery alerts.

Read More โ†’

You Ask, We Answer!

Didn't find what you were looking for? Contact SMSGatewayHub for a customized response!

Transactional SMS is used to send OTPs, order notifications, and other informational messages to your registered users. It is delivered 24ร—7 โ€” including to DND numbers โ€” and requires a DLT-approved sender ID. Read More
There is no time restriction for transactional SMS. Messages can be sent and delivered 24 hours a day, 7 days a week โ€” including on public holidays.
Your sender ID must be DLT-approved (6 alphabetic characters, e.g. SMSGWY). Common examples include bank balance updates, invoice notifications, OTP delivery, appointment reminders, and payment confirmations.
Promotional SMS is used to send offers, discounts and marketing messages to potential or existing customers. It can only be sent between 9 AM and 9 PM and is not delivered to DND numbers.
SMSGATEWAYHUB provides a simple REST API. Register for an account, obtain your API key, and use a simple HTTP GET or POST request with your credentials and message details. Full documentation is available in the developer portal.
Service Implicit covers critical transactional messages like OTPs and alerts to registered users โ€” no consent required. Service Explicit allows promotional messages to existing customers who have given their prior consent.
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