Why Are There Two Documentations in Text.lk (HTTP & OAuth 2.0)?
Authentication Methods (There are two types) Text.lk provides two methods to integrate with the API. Because text.lk supports two authentication methods to […]
SMS Meaning in Sinhala (කෙටි පණිවිඩ සේවාව) ගැන සිංහලෙන් සරලව
SMS යන්නෙහි සිංහල අර්ථය “කෙටි පණිවිඩ සේවාව” (SMS Meaning is Short Message Service) යන්නයි. මෙය ජංගම දුරකථන හරහා කෙටි අකුරු පණිවිඩ යැවීමේ […]
SMS Levy Sri Lanka – Bulk SMS Tax & Promotional SMS Levy Explained
The SMS levy in Sri Lanka is a statutory tax introduced under the Finance Act No. 35 of 2018, applicable to bulk […]
What is SMS Unit?
What is SMS Unit? SMS Unit in Text.lk SMS Gateway in Sri Lanka is the measurement of how many segments a text message […]
SMS Unit Calculation Guide (Sri Lanka) – Sinhala, Tamil & English
When sending SMS in Sri Lanka, use the text.lk SMS Gateway API, Understanding how SMS units are calculated can help you save […]
How to Get SMS Gateway in Sri Lanka?
Text.lk is a leading SMS gateway provider in Sri Lanka that offers an AI-powered sms gateway. We supports promotional, transactional, OTP, and […]
How many minimum SMS units are required for an API SMS?
The minimum SMS units required for sending an API SMS on Text.lk depend on the message length, encoding and firewall rules. How […]
How Text.lk Encodes Your Messages? UTF-16, GSM-7, GSM-7 Extension
Here is a simple explanation of GSM-7, GSM-7 Extension, and UTF-16 encoding as used on text.lk, written for easy understanding by all […]
What is UTF-16 Character Encoding in SMS?
Explore the UTF-16 character encoding standard—how it works, its variable-length scheme, surrogate pairs, byte order, and use cases in programming and SMS. […]
What is GSM-7 Extension Table for SMS? (GSM_7BIT_EX)
Learn what the GSM-7 Extension Table (GSM_7BIT_EX) is, how the escape mechanism works, which extra characters are included, and how these affect […]
What is GSM-7 Character Encoding in SMS?
GSM-7 is the foundational character encoding standard for SMS messaging across GSM mobile networks. It is designed to maximize the efficiency of […]
SMS Campaign Guide – Avoid Spam & Maximize Delivery
Powered by text.lk Sending SMS campaigns? Follow these best practices to make sure your messages get delivered and not marked as spam. […]