What is the cost of SMS gateway service in Sri Lanka?

Our SMS gateway service starts from Rs 0.58 per SMS with volume discounts available. We offer competitive rates for all Sri Lankan mobile networks including Dialog, Mobitel, Hutch, and Airtel.

How do I register a custom sender ID?

You can register a custom sender ID through our platform. We handle the TRCSL approval process and provide you with a professional sender ID for your business messaging needs.

Do you provide SMS API integration?

Yes, we provide comprehensive SMS API integration with detailed documentation, sample codes, and technical support. Our API supports HTTP/HTTPS with JSON responses.

What is the delivery rate for SMS messages?

We maintain a 99.9% delivery rate for SMS messages across all Sri Lankan mobile networks. Our robust infrastructure ensures reliable message delivery.

Can I send Unicode SMS messages?

Yes, we support Unicode SMS for Sinhala, Tamil, and other international languages. Our platform handles Unicode encoding automatically.

Streamline Your Business: A Comprehensive Guide to SMS API Integration with TXTMSG.lk

LLakshan Perera

September 23, 2025

3 min read

Streamline Your Business: A Comprehensive Guide to SMS API Integration with TXTMSG.lk

Lakshan Perera is an SMS gateway expert helping businesses implement effective SMS solutions.

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Streamline Your Business: A Comprehensive Guide to SMS API Integration with TXTMSG.lk

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