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Bulk SMS Gateway

Reach every customer instantly — on every network

Send bulk SMS, OTPs and alerts to customers on all Sri Lankan mobile networks with your own Sender ID, a simple web dashboard and a developer API.

WhatsApp & SMS
WhatsApp & SMS — Invoices, receipts, payment reminders, low-stock alerts and the daily summary go out on WhatsApp or SMS.

SMS is still the fastest way to reach customers in Sri Lanka — almost every message is read within minutes. Our Bulk SMS Gateway sends promotions, reminders, OTPs and transaction alerts to all Sri Lankan mobile networks from one simple dashboard, or straight from your POS, website or app.

Your brand as the sender

Messages arrive with your business name as the Sender ID, so customers know exactly who is contacting them. We handle the Sender ID registration for you.

Built for business

Upload contact lists, personalise messages, schedule campaigns and track delivery in detailed reports. Write in English, Sinhala or Tamil.

Connect your systems

Use the SMS API to send OTPs, order confirmations and payment reminders automatically from your online store, POS or app. Ready-made plugins are available for popular e-commerce platforms.

Simple pay-as-you-go pricing

No monthly subscription. LKR 0.62 per SMS, a one-time setup fee of LKR 2,684, online top-up whenever you need it. Credit never expires.

Key Features

Delivery to all Sri Lankan mobile networks
Your business name as Sender ID (3 included)
Web dashboard — no software to install
Bulk upload & unlimited contact storage
Sinhala, Tamil & English (Unicode) messages
Scheduled & personalised campaigns
Detailed delivery reports
SMS API for OTPs & automated alerts
Plugins for popular e-commerce platforms
Online top-up — credit never expires

Benefits for Your Business

  • Reach customers in seconds
  • Higher open rates than email
  • No monthly commitment — pay per SMS
  • Automate OTPs, reminders and receipts

Pricing

Add-on for your POS

SMS — Pay As You Go

Send SMS receipts, offers and reminders to your customers. No subscription — pay only for what you send.

LKR 0.62/ SMS

One-time setup fee: LKR 2,684 · All taxes included

  • 3 free Sender IDs
  • No monthly commitment
  • Online credit top-up
  • Credit never expires
  • Unlimited contact storage
  • Full web dashboard
  • Full SMS API access
  • E-commerce plugins
  • Sinhala / Tamil Unicode support
  • Detailed SMS reports
  • Customer support
Get Started

Questions

How much does it cost to send an SMS?

Each SMS costs LKR 0.62 (all taxes included). There is a one-time setup fee of LKR 2,684 and no monthly subscription.

What is a Sender ID?

A Sender ID is the name that appears as the sender of your SMS, such as your business name. Three Sender IDs are included and we handle the registration for you.

Can I send SMS in Sinhala and Tamil?

Yes. Messages can be sent in English, Sinhala or Tamil using Unicode. Unicode messages use more characters per SMS.

Does my SMS credit expire?

No. Credit you top up stays in your account until you use it.

Can I connect SMS to my website or system?

Yes. Your POS can send SMS directly, and the SMS API sends OTPs, order confirmations and reminders from any website or app. Ready-made plugins are available for popular e-commerce platforms.

See Bigz in Action

Book a free demo and discover how much time and money Bigz can save your business.