Bulk SMS Service Provider in Mumbai, Maharashtra

Q: Do you serve businesses across Mumbai?

Yes. SmsHorizon serves companies across Mumbai and the MMR, from banks, insurers and brokerages in BKC, Nariman Point and Fort to media houses, e-commerce and startups in Andheri, Lower Parel and Powai, plus logistics around the ports. 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 Marathi?

Yes. We support full Marathi Unicode, so you can send messages in Marathi to your customers across Mumbai and Maharashtra. 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 Mumbai's banks, fintech and e-commerce companies need, with priority transactional routing, sub-3-second OTP delivery and detailed delivery reports.

Q: How quickly can a Mumbai 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 Mumbai?

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 Mumbai?

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 Mumbai, Maharashtra - SmsHorizon

Built for the financial capital of India

Mumbai is the heart of India's economy, home to the country's largest banks, insurers, mutual funds and stock exchanges. It also drives a fast-growing fintech and startup scene, the national media and entertainment industry, and the busiest port and logistics network in the country.

For these businesses, SMS is not a marketing afterthought, it is core infrastructure. Login OTPs, payment and trade confirmations, KYC codes, EMI and policy reminders and fraud alerts all have to land in seconds, at volume.

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

Why Mumbai businesses choose SmsHorizon

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

Bulk SMS coverage across Mumbai and the MMR - Navi Mumbai, Thane, Andheri — Delivery coverage across Mumbai and the MMR

Transactional, promotional and OTP SMS in Mumbai

Transactional SMS carries the OTPs, trade 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 Marathi 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 Mumbai

Banks, NBFCs, insurers and mutual funds
Stock broking, capital markets and fintech
Media, entertainment and advertising
E-commerce, retail and D2C brands
Real estate developers and property platforms
Logistics, shipping and freight around the ports
Hospitals, diagnostics and pharma

2011

In business since

3,000+

Businesses across India

<3s

Typical OTP delivery

99.9%

Delivery uptime

Use cases

How Mumbai businesses use bulk SMS

From bank transaction alerts to event campaigns and delivery updates, here's how local teams put SMS to work every day.

Banks & insurers

Transaction and trade alerts, payment and KYC OTPs, EMI and premium reminders, and fraud notifications on secure routes.

Broking & fintech

Order confirmations, margin and trade alerts, 2FA logins and account notifications with priority transactional routing.

E-commerce & D2C

Order confirmations, COD verification, shipping and delivery updates, plus offer broadcasts to your customer base.

Media & events

Show timings, booking confirmations, subscriber alerts and campaign blasts for media, OTT and live events.

Real estate

Site-visit confirmations, booking and payment-milestone updates, and targeted launch campaigns to buyer lists.

Logistics & ports

Dispatch and delivery updates, gate and container alerts and tracking links for freight moving through the ports.

For developers

An SMS API built for high-volume senders

Mumbai runs on transactional messaging. Our API is designed for the banks, brokerages and fintech 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 Mumbai 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.

How to send bulk SMS in Mumbai

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

Bulk SMS pricing in Mumbai

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 Mumbai, common questions

Do you serve businesses across Mumbai?

Yes. We serve companies across Mumbai and the MMR, from banks, insurers and brokerages in BKC, Nariman Point and Fort to media houses, e-commerce and startups in Andheri, Lower Parel and Powai, plus logistics around the ports. 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 Marathi?

Yes. We support full Marathi Unicode, so you can send messages in Marathi to your customers across Mumbai and Maharashtra. 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 Mumbai's banks, 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 Mumbai 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 Mumbai?

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 Mumbai?

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