Bulk SMS service provider in Delhi
From the wholesale markets of Chandni Chowk to corporate offices in Nehru Place and Connaught Place, SmsHorizon powers fast, DLT-compliant SMS for Delhi businesses, with an API built for high-volume OTP and alerts.
Built for the capital's pace and scale
Delhi is one of India's largest and most diverse commercial markets, from the historic trading and wholesale hubs of Chandni Chowk, Sadar Bazar and Karol Bagh to the corporate and financial offices of Connaught Place and Nehru Place. It also carries a huge e-commerce and retail base, government and PSU departments, and the education and coaching belt that draws students from across the country.
Every one of these runs on timely messaging, from order and dispatch alerts to OTP logins, fee reminders and campaign broadcasts. SmsHorizon has delivered exactly that kind of messaging since 2011, for 3,000+ businesses across India, in Hindi or English.
Why Delhi businesses choose SmsHorizon
- High-throughput API: HTTP and SMPP APIs built for the OTP and alert volumes that e-commerce, fintech and retail teams push
- Priority transactional routing: Sub-3-second OTP and transaction-alert delivery on direct telco connections
- Hindi language support: Send SMS in Hindi with full Unicode, alongside English
- DLT done for you: Free help with entity, header and template registration on the TRAI DLT portal
- Transparent pricing: Pay-as-you-go rates, volume discounts and a GST invoice with every payment
- Reliable delivery: 99.9% uptime with real-time delivery reports and webhooks
Transactional, promotional and OTP SMS in Delhi
Transactional SMS carries the OTPs, payment confirmations and alerts your customers expect, at the highest priority, day or night. See transactional SMS.
Promotional SMS reaches your customer base with offers and launches within TRAI's daytime window, in Hindi or English. See promotional SMS.
Every route is DLT-compliant and registered with TRAI under the TCCCPR rules, and deliverable across Jio, Airtel, Vi and BSNL.
| Transactional SMS | Promotional SMS | |
|---|---|---|
| Used for | OTPs, alerts, confirmations | Offers, campaigns, launches |
| Delivered to | All numbers, including DND | Non-DND and opted-in numbers |
| Sending hours | 24x7 | 10am to 9pm (TRAI window) |
| Sender ID | Branded 6-character header | Branded 6-character header |
Industries we serve in Delhi
- Trading, wholesale and distribution (Chandni Chowk, Sadar Bazar, Karol Bagh)
- E-commerce, retail and D2C brands
- Banking, NBFCs and fintech (Nehru Place, Connaught Place)
- Education, coaching institutes and edtech
- Government departments and PSUs
- Hospitals, diagnostics and healthcare
- Hospitality, travel and real estate
How Delhi businesses use bulk SMS
From wholesale order alerts to e-commerce deliveries and coaching reminders, here's how local teams put SMS to work every day.
Trading & wholesale
Order confirmations, dispatch and payment alerts and stock updates for the city's wholesale and distribution markets.
E-commerce & retail
Order confirmations, COD verification, shipping and delivery updates, plus offer broadcasts to your customer base.
Banking & fintech
Transaction alerts, payment and KYC OTPs, EMI reminders and fraud notifications with secure, fast routing.
Education & coaching
Admission and fee reminders, batch and exam schedules, attendance and result alerts, in Hindi or English.
Government & PSUs
Citizen notifications, appointment and scheme alerts and OTP-based verification for public services.
Hospitals & clinics
Appointment reminders, report-ready alerts and OTP-based patient logins across Delhi's hospital networks.
How to send bulk SMS in Delhi
Getting started takes a few days, and most of that is the one-time DLT registration, which we handle for you.
- Create your free account and claim 500 trial SMS to test delivery.
- Complete DLT registration for your entity, sender IDs and templates. Our team does the paperwork at no cost.
- Add credits by UPI, card, netbanking or bank transfer, with a GST invoice on every payment.
- Upload your contacts or connect the API to your own software.
- Compose and send in Hindi or English, choose your sender ID, and track delivery in real time.
Bulk SMS pricing in Delhi
Bulk SMS is pay-as-you-go. You buy credits and pay per message, and the rate drops as your volume grows, with no setup fee and no monthly rental.
Transactional, OTP and promotional routes are each priced per SMS, and a longer message counts as more than one SMS. Every payment comes with a GST invoice.
See current rates on our pricing page, or talk to us about volume pricing for high-traffic senders.
Bulk SMS in Delhi, common questions
Do you serve businesses across Delhi NCR?
Can I send SMS in Hindi?
uni in the API.Is your API built for high-volume OTP and 2FA?
How quickly can a Delhi business go live?
Do you help with DLT registration?
Can I pay locally and get a GST invoice?
How much does bulk SMS cost in Delhi?
Which mobile networks do you cover in Delhi?
Bulk SMS across the NCR belt
Beyond Delhi, we serve businesses across the NCR satellite cities and the broader north-India states.
A short ride from Delhi
We also serve the major cities within a few hours of the capital.
Bulk SMS in India's major cities
We serve businesses in every major metro, with the same panel, API and pricing everywhere.
Try it free before you pay
Get 500 free SMS credits and send your first message in under 2 minutes. No credit card required.
Queries? Contact us
Talk to a real human, no bots.