TRAI-compliant DLT registered bulk SMS, OTP gateway, WhatsApp Business API and marketing automation for India's 1.4 billion mobile users. Direct connections to Jio, Airtel, Vi and BSNL.
Indian Businesses Served
SMS Delivered in India/yr
Direct Carrier Connections
Average OTP Delivery Time
India's Distributed Ledger Technology (DLT) mandate is complex — BulkSMSHub handles it for you.
We register your Entity ID, Sender ID and all message templates on the TRAI DLT platform — and handle renewals. Your campaigns are compliant from day one.
From OTP SMS for fintech to promotional bulk SMS for e-commerce — we cover every use case.
Sub-2-second OTP delivery to all Indian carriers. Trusted by India's leading banks, fintech apps (PhonePe, Paytm, Razorpay) and e-commerce platforms.
Reach millions with promotional offers. Supports time-based sending windows (9AM-9PM as per TRAI). DND filtered automatically.
Order confirmations, booking updates, delivery tracking, payment receipts — 24/7 transactional SMS with 99.5% delivery guarantee.
Reach 500M+ Indian WhatsApp users with rich media, buttons and automated flows. Perfect for e-commerce, banking and healthcare.
Combine SMS with email campaigns. Send regional-language email content with our localisation tools for Hindi, Tamil, Bengali and more.
AI-powered chatbots supporting Hindi, Tamil, Telugu, Bengali and English for Indian customer service and lead qualification workflows.
OTP for UPI transactions, KYC alerts, loan disbursement SMS, credit card notifications — serving HDFC, ICICI, Axis and 200+ Indian fintech companies.
Order SMS for Flipkart sellers, abandoned cart recovery, COD confirmation, delivery alerts — powering India's $100B+ e-commerce ecosystem.
Student enrollment, result alerts, NEET/JEE coaching reminders. Serving 500+ Indian coaching institutes and EdTech platforms like BYJU'S, Unacademy.
Appointment reminders, medicine refills, diagnostic reports for India's booming health sector including Apollo, Max and Fortis hospitals.