Bulk SMS Service Provider in Bangalore, Karnataka

Q: Do you serve businesses across Bangalore?

Yes. SmsHorizon serves companies across Bangalore, from IT and startups in Electronic City, Whitefield, Koramangala and the Outer Ring Road corridor to manufacturers in Peenya, plus the wider Karnataka region. We have been in business since 2011. Reach us on +91 8870-522-522 or via our contact page.

Q: Can I send SMS in Kannada?

Yes. We support full Kannada Unicode, so you can send messages in Kannada to your customers across Bangalore and Karnataka. Set the message type to Unicode in the panel or pass uni in the API.

Q: Is your API built for high-volume OTP and 2FA?

Yes. Our HTTP and SMPP APIs are built for the high throughput that Bangalore's IT, fintech and e-commerce companies need, with priority transactional routing, sub-3-second OTP delivery and detailed delivery reports.

Q: How quickly can a Bangalore business go live?

Typically 3 to 5 days. Most of that time is the DLT registration and sender ID approval, which we handle for you. Once those clear, your account is ready and you can send your first campaign or wire up the API right away.

Q: Do you help with DLT registration?

Yes, free of charge. TRAI requires entity, header and template registration on the DLT portal for all commercial SMS. Our team walks you through the entire process and handles the paperwork.

Q: Can I pay locally and get a GST invoice?

Yes. Pay by UPI, card, netbanking or bank transfer, and we issue a GST invoice for every payment, with the same transparent pay-as-you-go pricing we offer everywhere.

Q: How much does bulk SMS cost in Bangalore?

Bulk SMS is pay-as-you-go: you pay per message and the rate falls as your volume grows, with no setup fee or monthly rental. Transactional, OTP and promotional routes are each priced per SMS, and a longer message counts as more than one SMS.

Q: Which mobile networks do you cover in Bangalore?

We deliver across every major network, including Jio, Airtel, Vi and BSNL, over direct operator routes. Transactional and OTP messages reach all numbers, including DND, while promotional sends follow TRAI's DND rules and the 10am to 9pm window.

Bulk SMS service provider in Bangalore, Karnataka - SmsHorizon

Built for Bangalore's pace and scale

Bangalore (Bengaluru) is India's technology capital, home to global IT services firms, a dense startup and SaaS ecosystem, e-commerce and D2C brands, plus fintech, edtech and healthcare companies. Large clusters run out of Electronic City, Whitefield, Koramangala, Indiranagar, the Outer Ring Road and Manyata Tech Park.

For these businesses, SMS is not a marketing afterthought, it is core infrastructure. Login OTPs, transaction alerts, delivery confirmations and two-factor codes all have to land in seconds, at volume.

SmsHorizon has delivered exactly that kind of messaging since 2011, for 3,000+ businesses across India and Karnataka.

Why Bangalore businesses choose SmsHorizon

High-throughput API: HTTP and SMPP APIs built for the OTP, 2FA and alert volumes that IT, fintech and e-commerce teams push.
Priority transactional routing: Sub-3-second OTP and transaction-alert delivery on direct telco connections.
Kannada language support: Send SMS in Kannada 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 Bangalore

Transactional SMS carries the OTPs, payment alerts and confirmations 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 Kannada or English. See promotional SMS.

OTP and 2FA codes ride the transactional route through our SMS API. 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

Use cases

How Bangalore businesses use bulk SMS

From SaaS logins in Whitefield to delivery alerts on the Outer Ring Road, here's how local teams put SMS to work every day.

IT & SaaS, Electronic City

OTP logins, 2FA codes and account alerts for software product and IT services teams in Electronic City, on a high-throughput API.

Fintech, Koramangala

Transaction alerts, payment and KYC OTPs and fraud notifications for fintech and NBFC teams clustered around Koramangala.

Edtech, Indiranagar

Admission and fee reminders, class schedules and result alerts for edtech and coaching brands around Indiranagar, in Kannada or English.

E-commerce & D2C, Whitefield

Order confirmations, COD verification and shipping updates, plus offer broadcasts for e-commerce and D2C brands in Whitefield.

Healthcare, Manyata Tech Park

Appointment reminders, report-ready alerts and OTP-based patient logins for hospitals and healthtech near Manyata Tech Park.

Logistics, Outer Ring Road

Dispatch and delivery updates, workforce alerts and tracking links for logistics teams along the Outer Ring Road corridor.

2011

In business since

3,000+

Businesses across India

<3s

Typical OTP delivery

99.9%

Delivery uptime

For developers

An SMS API built for high-volume senders

Bangalore runs on transactional messaging. Our API is designed for the teams that send millions of OTPs and alerts a month, without queues backing up or codes arriving late.

Simple HTTP API plus SMPP for high-throughput integrations
Priority transactional routes for OTP and 2FA, with sub-3-second delivery
Real-time delivery receipts and webhooks back to your stack
Free DLT registration help so your headers and templates clear faster

Explore the SMS API See pricing

~ send-otp.sh

# Send a transactional OTP from your Bangalore app
curl -X POST "https://smshorizon.co.in/api/v2/sendsms.php" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d "user=acme&mobile=9198XXXXXXXX" \
  -d "senderid=HORIZN&message=Your OTP is 482913" \
  -d "tid=1107160521253456789&type=txt"

# 200 OK
{ "msgid": "938471625", "status": "queued" }

Sample request. See the SMS API docs for the full parameter list, response codes and delivery webhooks.

Features

Everything you need to send bulk SMS

A complete platform for Bangalore teams, from branded sender IDs and Kannada Unicode to scheduling, delivery reports and a full API.

Branded sender IDs

Send under a 6-character DLT-approved header (like MYSHOP or AD-HORIZN) so customers recognise you instantly.

Kannada & regional

Full Unicode support to send in Kannada and other regional languages alongside English.

Panel and API

Send from the web panel or wire up the HTTP and SMPP API for automated, high-volume sending.

Scheduling

Queue campaigns for the right date and time, and stay inside TRAI's promotional window automatically.

Delivery reports

Real-time delivery receipts and webhooks back to your stack, with per-message status you can audit.

Contact management

Upload, group and manage contact lists in the panel, and reuse them across campaigns.

Two-way & long code

Receive replies and run two-way flows with a virtual mobile number or long code.

DLT templates

How to send bulk SMS in Bangalore

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 Kannada or English, choose your sender ID, and track delivery in real time.

Bulk SMS pricing in Bangalore

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.

No setup feeNo monthly rentalGST invoiceVolume discounts

FAQs

Bulk SMS in Bangalore, common questions

Do you serve businesses across Bangalore?

Yes. We serve companies across Bangalore, from IT and startups in Electronic City, Whitefield, Koramangala and the Outer Ring Road corridor to manufacturers in Peenya, plus the wider Karnataka region. SmsHorizon has been in business since 2011. Reach the team on +91 8870-522-522 or via our contact page.

Can I send SMS in Kannada?

Yes. We support full Kannada Unicode, so you can send messages in Kannada to your customers across Bangalore and Karnataka. Set the message type to Unicode in the panel or pass uni in the API.

Is your API built for high-volume OTP and 2FA?

Yes. Our HTTP and SMPP APIs are built for the high throughput that Bangalore's IT, fintech and e-commerce companies need, with priority transactional routing, sub-3-second OTP delivery and detailed delivery reports. See the SMS API page for details.

How quickly can a Bangalore business go live?

Typically 3 to 5 days. Most of that time is the DLT registration and sender ID approval, which we handle for you. Once those clear, your account is ready and you can send your first campaign or wire up the API right away.

Do you help with DLT registration?

Yes, free of charge. TRAI requires entity, header and template registration on the DLT portal for all commercial SMS. Our team walks you through the entire process and handles the paperwork.

Can I pay locally and get a GST invoice?

Yes. Pay by UPI, card, netbanking or bank transfer, and we issue a GST invoice for every payment. See our pricing page or payment options for details.

How much does bulk SMS cost in Bangalore?

Bulk SMS is pay-as-you-go: you pay per message and the rate falls as your volume grows, with no setup fee or monthly rental. Transactional, OTP and promotional routes are each priced per SMS, and a longer message counts as more than one SMS. See our pricing page for current rates.

Which mobile networks do you cover in Bangalore?

We deliver across every major network, including Jio, Airtel, Vi and BSNL, over direct operator routes. Transactional and OTP messages reach all numbers, including DND, while promotional sends follow TRAI's DND rules and the 10am to 9pm window.

Service area