24x7 Transactional & OTP SMS
Bypasses DND restrictions to deliver critical authentication OTPs, banking alerts, order updates, and appointment reminders instantly.
DLT & TRAI Certified Gateway
High-Throughput Bulk SMS & Next-Gen RCS Messaging
Deliver 24x7 OTPs, transactional alerts, promotional campaigns, and interactive RCS rich media directly to Indian consumers with sub-3 second delivery.
DLT Certified SMS & RCS
24x7 Gateway
Sender: XY-MOLCUL
Your login OTP is 482910. Valid for 5 minutes. Do not share.
Your login OTP is 482910. Valid for 5 minutes. Do not share.
✔ Sub-3 Second Delivery SLA Guaranteed
0+
SMS / Second
< 3 Sec
OTP Delivery SLA
0%
DLT Compliance Help
Rich Media
RCS Verified Partner
Enterprise Bulk Messaging & RCS Capabilities
Direct operator connections with BSNL, Airtel, Jio, and Vi for maximum delivery rates.
Promotional SMS Campaigns
Target non-DND customers with customized promotional offers, discount codes, and seasonal event announcements with real-time DND scrubbing.
RCS Rich Business Messaging
Upgrade plain text SMS into interactive app-like experiences with verified sender logo, high-res images, video carousels, and quick action buttons.
DLT Registration Assistance
End-to-end guidance for registering your Entity ID, Sender Headers, and Content Templates across Jio DLT, Smartping, Airtel, and Vodafone DLT portals.
HTTP & SMPP v3.4 APIs
Developer-friendly APIs with instant code SDKs in Python, Node.js, PHP, Java, and cURL for rapid application integration.
Real-Time Delivery Analytics
Track handset delivery reports, carrier status codes, campaign analytics, and download comprehensive logs from your central portal.
Step-by-Step DLT Registration Guide for Indian Businesses
TRAI mandates DLT registration for sending commercial SMS in India. Here is how Molecule simplifies it:
- 1
Entity Registration
Register your company on any telecom DLT portal (Jio, Smartping, Airtel) using your PAN, GST, and Certificate of Incorporation.
- 2
Header / Sender ID Approval
Apply for a 6-character alphabetic Sender Header (e.g. XY-MOLCUL) matching your registered brand name.
- 3
Template Whitelisting
Submit your SMS text templates with variable fields for fast 24-hour approval by telecom operators.
Frequently Asked Questions
Everything you need to know about Molecule Bulk SMS & RCS.
What is DLT registration and why is it mandatory in India?
Distributed Ledger Technology (DLT) is a blockchain-based registration mandatory by TRAI for all Indian businesses sending commercial SMS to prevent spam.
Does Molecule assist with DLT registration?
Yes! Molecule provides step-by-step registration guidance across major DLT portals (Jio, Smartping, Airtel, Vodafone) and assists with template approval.
What is the difference between Transactional and Promotional SMS?
Transactional SMS (OTPs, updates) are delivered 24x7 to all numbers including DND. Promotional SMS (offers) are delivered 9 AM - 9 PM and scrubbed against DND.
What is RCS messaging and how is it better than SMS?
Rich Communication Services (RCS) allows sending images, carousels, verified brand logos, and action buttons directly to Android Messages.
What is the delivery throughput of Molecule SMS API?
Molecule high-performance SMPP and REST APIs deliver over 10,000 SMS per second with sub-3 second OTP delivery SLA.
Can I track delivery reports in real-time?
Yes, the dashboard provides real-time handset delivery status, operator error codes, and detailed log downloads.
Get started with DLT compliant SMS messaging
Sign up now to get free DLT setup assistance and competitive per-SMS rates.