# SMS Gateway Blog | VeloBotix

> Articles on SMS gateways, APIs and OTP for Sri Lankan businesses and developers.

Source: https://www.velobotix.app/resources/blog

# Blog

-   [What is an SMS gateway?](https://www.velobotix.app/resources/blog/what-is-an-sms-gateway)
    
    2026-08-17
    
-   [SMS API vs SMS gateway](https://www.velobotix.app/resources/blog/sms-api-vs-sms-gateway)
    
    2026-08-17
    
-   [OTP SMS best practices](https://www.velobotix.app/resources/blog/otp-sms-best-practices)
    
    2026-08-17
    
-   [SMS Gateway vs SMS API](https://www.velobotix.app/resources/comparisons/sms-gateway-vs-sms-api)
    
    2026-08-26
    
-   [Transactional SMS vs Bulk SMS](https://www.velobotix.app/resources/comparisons/transactional-vs-bulk-sms)
    
    2026-08-26
    
-   [OTP SMS vs Email OTP](https://www.velobotix.app/resources/comparisons/otp-sms-vs-email-otp)
    
    2026-08-26