# Text\.lk \- SMS Gateway Sri Lanka: Text\.lk: \#1 AI\-powered SMS Gateway in Sri Lanka\. Fast API, Bulk/Promo/Transactional/OTP SMS, MMS, WhatsApp\. Free Sender ID, AI Automation, Rich Web Portal\. Get started for free\.

> Text\.lk: \#1 AI\-powered SMS Gateway in Sri Lanka\. Fast API, Bulk/Promo/Trans/OTP SMS, MMS, WhatsApp\. Free Sender ID, AI Automation, Web Portal\. Start for free\.

Generated by Yoast SEO v27.4, this is an llms.txt file, meant for consumption by LLMs.

## Pages
- [SMS Units Length Calculator](https://text.lk/sms-units-length-calculator/)
- [Text\.lk SMS Gateway Sri Lanka Prices](https://text.lk/pricing/)
- [Documentation](https://text.lk/docs/)
- [Text\.lk \- SMS Gateway Sri Lanka: Bulk SMS, API, OTP, WhatsApp](https://text.lk/)
- [Sri Lanka Calendar \| Public Holidays, Bank Holidays, Festivals, Special Days \& More](https://text.lk/calendar/)

## Posts
- [SMS Sender ID: Supported Characters, Rules \& Best Practices](https://text.lk/guides/sms-sender-id-supported-characters-rules-best-practices/)
- [Trinity College Kandy Receives Historic LKR 3 Billion Donation from Nahil Wijesuriya](https://text.lk/news/trinity-college-kandy-receives-historic-lkr-3-billion-donation-from-nahil-wijesuriya/)
- [10 Best SMS gateway APIs in Sri Lanka to send text messages](https://text.lk/guides/best-sms-apis-sri-lanka/)
- [What is Flash SMS, When to use and How to send Flash SMS?](https://text.lk/guides/what-is-flash-sms/)
- [Why Are There Two Documentations in Text\.lk \(HTTP \& OAuth 2\.0\)?](https://text.lk/guides/why-are-there-two-documentations-in-textlk/)

## Customers
- [AuditGuru integrated Text\.lk SMS solutions to automate and streamline client communication](https://text.lk/customers/auditguru/)
- [Dansal App Reached 800K\+ Users Securely with Text\.lk SMS OTP Verification](https://text.lk/customers/dansal/)
- [Text\.lk Enhancing Gift Delivery Experience \& Customer Engagement with Gifty\.lk](https://text.lk/customers/gifty-lk/)
- [Improving Student Engagement \& Attendance Tracking for EnglishSchool\.lk](https://text.lk/customers/englishschool-lk/)
- [Text\.lk Securing Bus Owner Verification \& Booking Communications with Bustime\.lk](https://text.lk/customers/bustime-lk/)

## Products
- [Text\.lk Top\-up](https://text.lk/product/text-lk-top-up/)

## Events
- [International Workers' Day](https://text.lk/stec_event/international-workers-day/)

## Docs
- [Text\.lk Zapier Integration Guide](https://text.lk/docs/text-lk-zapier-integration-guide/)
- [Send Flash SMS](https://text.lk/docs/send-flash-sms/)
- [API Endpoints Introduction](https://text.lk/docs/api-endpoints-introduction/)
- [SMS API Endpoints](https://text.lk/docs/sms-api-endpoints/)
- [SMS Contacts Initialize](https://text.lk/docs/sms-contacts-initialize/)

## Theme Builder
- [Text\.lk Footer](https://text.lk/?uicore-tb=chatbot-footer)
- [Text\.lk Intergrations](https://text.lk/?uicore-tb=text-lk-intergrations)
- [Blog Sub Header](https://text.lk/?uicore-tb=blog-sub-header)
- [Docs Sub Header](https://text.lk/?uicore-tb=docs-sub-header)
- [Text\.lk Megamenu](https://text.lk/?uicore-tb=chatbot-megamenu)

## Categories
- [Guides](https://text.lk/category/guides/)
- [Tutorials](https://text.lk/category/tutorials/)
- [News](https://text.lk/category/news/)
- [Insights \& Market Trends](https://text.lk/category/insights-market-trends/)
- [Uncategorized](https://text.lk/category/uncategorized/)

## Tags
- [SMS](https://text.lk/topics/sms/)
- [free sms gateway sri lanka](https://text.lk/topics/free-sms-gateway-sri-lanka/)
- [Bulk SMS](https://text.lk/topics/bulk-sms/)
- [Sri Lanka](https://text.lk/topics/sri-lanka/)
- [SMS Marketing in Sri Lanka](https://text.lk/topics/sms-marketing-in-sri-lanka/)

## Industries
- [Retail](https://text.lk/industries/retail/)
- [E\-commerce](https://text.lk/industries/e-commerce/)
- [Transportation](https://text.lk/industries/transportation/)
- [Education](https://text.lk/industries/education/)
- [Professional Services](https://text.lk/industries/professional-services/)

## Use Cases
- [Alerts and Notifications](https://text.lk/use-cases/alerts-and-notifications/)
- [Marketing and Promotions](https://text.lk/use-cases/marketing-and-promotions/)
- [Verification and Identity](https://text.lk/use-cases/verification-and-identity/)
- [Sales and Support](https://text.lk/use-cases/sales-and-support/)

## Product categories
- [Uncategorized](https://text.lk/product-category/uncategorized/)

## Docs Categories
- [SMS Contacts](https://text.lk/docs-category/sms-contacts/)
- [SMS](https://text.lk/docs-category/sms/)
- [SMS Contacts Groups](https://text.lk/docs-category/sms-contacts-groups/)
- [Integrations](https://text.lk/docs-category/integrations/)
- [API Endpoints](https://text.lk/docs-category/api-endpoints/)

## Docs Tags
- [Zapier,](https://text.lk/docs-tag/zapier/)

## Optional
- [Sitemap index](https://text.lk/sitemap_index.xml)