Welcome to TXTLINK

Enterprise SMS infrastructure for mission-critical communications. Build reliable messaging into your applications with our REST API, SMPP protocol, and comprehensive SDKs.

Quick Start

Get up and running in 5 minutes

REST API

Complete API reference

Authentication

API keys & credentials

Supported Use Cases

Transactional SMS

Send OTPs, confirmations, and critical alerts with sub-second delivery and 99.9% uptime SLA.

OTP & Verification

Secure one-time passwords with customizable expiry, rate limiting, and brute-force protection.

Bulk & Promotional SMS

Send millions of SMS campaigns with advanced segmentation, A/B testing, and real-time analytics.

APIs & Webhooks

REST and SMPP APIs with webhook support for real-time event notifications and delivery reports.

Architecture

Your Application

TXTLINK API

Carrier Networks

End-to-end encryption • 99.9% uptime SLA • GDPR compliant

Start building in 5 minutes

Get your API key and send your first SMS in under 5 minutes. No credit card required.

Key Features

Sub-second Delivery

Ultra-low latency for critical messages

99.9% Uptime SLA

Enterprise-grade reliability

Multiple SDKs

Node, Python, PHP, Java, Go, Ruby

Webhook Support

Real-time delivery reports

GDPR Compliant

Enterprise security standards

REST & SMPP

Choose your integration method