bolt Global Connectivity Hub

Enterprise-Grade SMS Gateway for Global Scale

Mission-critical messaging for developers and enterprises. Deliver transactional alerts, OTPs, and marketing campaigns with 99.9% uptime and carrier-grade reliability.

Last updated: July 2026

Trusted by industry leaders

api_v3_status: active

curl -X POST https://sms.txtmsg.lk/api/v3/sms/send \
  -H 'Authorization: Bearer TXTMSG_API_KEY' \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -d '{
  "recipient": "+94778912345",
  "sender_id": "YourBrand",
  "type": "plain",
  "message": "This is a test message"
}'

// Response 200 OK
{
  "status": "success",
  "data": "sms reports with all details"
}

Nationwide Coverage

Direct carrier connections across all major Sri Lankan mobile networks. Explore solutions →

100%

Island-wide Reach

timer

140ms

Avg. Delivery Latency

verified_user

99.99%

Uptime Service Level

Precision-Engineered Features

Built for the demanding needs of modern engineering teams.

terminal

Powerful API Integration

Connect your applications in minutes with our RESTful API. SDKs available for Python, Node.js, PHP, and Java.

curl -X POST https://sms.txtmsg.lk/api/v3/sms/send \
  -H "Authorization: Bearer TXTMSG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "recipient": "+94778912345",
    "sender_id": "YourBrand",
    "type": "plain",
    "message": "Your OTP is 8842"
  }'

verified_user

Dynamic OTP

Instant delivery for time-sensitive security codes with automated retry logic across multiple carriers.

campaign

Campaign Manager

Intuitive dashboard to segment audiences and schedule mass transmissions with real-time tracking.

block

Smart Blacklist

Automated DNC compliance and scrubbing of invalid or inactive numbers to protect your sender reputation.

group

Customer Management

Advanced CRM integration to manage contacts, groups, and custom attributes for personalized messaging.

Predictable Pricing

Scaling with your business, from launch to enterprise domination.

Trusted by High-Growth Businesses

10K+

Messages / Day

99.9%

Uptime SLA

500+

Active Clients

<15s

Avg. Delivery

star Trusted by Industry Leaders

What Our Clients Say

Join hundreds of businesses that rely on TXTMSG for their global messaging infrastructure.

star star star star star

“TXTMSG has been a game-changer for our OTP delivery. 99.9% uptime and sub-second delivery has eliminated our authentication bottlenecks.”

Kasun Perera

CTO, TechVentures Lanka

star star star star star

“The developer experience is unmatched. SDKs for every language, clear documentation, and a responsive support team.”

Samantha Rodrigo

Head of Engineering, FinFlow

star star star star star

“Campaign manager made our promotional SMS campaigns effortless. 98% open rates and detailed analytics help us optimize every send.”

Ravi Jayawardena

Marketing Director, ShopLocal

star star star star star

David Chen

star star star star star

Maria Santos

Trustpilot

star star star star

Ahmed Khan

star star star star star

Priya Sharma

Capterra

help Got Questions?

Common Questions

Everything you need to know about the TXTMSG gateway platform.

Instantly. Once you create an account, you can use our web portal or API credentials to start sending messages in under 5 minutes.

Yes, TXTMSG provides global reach with direct carrier connections in over 180 countries, ensuring optimal deliverability.

Absolutely. Every new account comes with complimentary trial credits to test all features including our REST API and SDKs.

If you exceed your limit, you will be billed at the standard overage rate for your tier. We will notify you when you reach 80% and 100% of your quota.

Absolutely! Non-profits are eligible for a 25% discount on all monthly plans. Contact our sales team with your documentation.

Ready to scale your communications?

Join over 5,000 businesses trust TXTMSG for their global messaging needs.

article From Our Blog

Latest Insights

Industry trends, technical guides, and platform updates from the TXTMSG team.

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Guides Jul 09, 2026 8 min read

How to Choose an SMS Gateway in Sri Lanka — Complete Guide 2026

Choosing the right SMS gateway in Sri Lanka depends on your budget, technical requirements, and scale. This guide compares pricing, API quality, uptime, and features across top providers.

Read Article arrow_forward

article

Technical Jul 07, 2026

Complete Guide to SMS API Integration for Sri Lankan Developers

A step-by-step guide for Sri Lankan developers integrating SMS APIs. Covers REST API setup, SDK usag...

article

Marketing Jul 05, 2026

SMS Marketing ROI: Benchmarks & Statistics for Sri Lankan Businesses 2026

Discover the latest SMS marketing ROI benchmarks for Sri Lankan businesses in 2026. Open rates, clic...

article

Technical Jul 03, 2026

OTP & 2FA Implementation Guide for Sri Lankan Apps

A comprehensive technical guide for implementing OTP and 2FA in Sri Lankan applications. Covers SMS...

Case Studies Jul 03, 2026

RESTful SMS API: Complete Guide to Integrating SMS in Your Applications

In today's interconnected digital world, RESTful APIs have become the backbone of modern web service...

article

Technical Tutorials Jul 02, 2026

Implementing 2FA with Node.js and TXTMSG APIs

Step-by-step guide on securing your application with multi-factor authentication using our robust SM...

View All Articles arrow_forward

newsmode What's New

Platform Updates

Stay up to date with the latest features, improvements, and releases.

newmode

New Jul 02, 2026

New Dashboard 2.0 Launched

Real-time analytics, granular logs, and better team collaboration tools for your SMS infrastructure.

newmode

Announcement Jun 29, 2026

Direct Carrier Connection - Sri Lanka

We have added direct carrier connections with all major Sri Lankan telecom operators for improved delivery rates.