> For the complete documentation index, see [llms.txt](https://penida.gitbook.io/cowlendar-help/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://penida.gitbook.io/cowlendar-help/why-does-sms-count-as-2-sms.md).

# Why does SMS count as 2 sms?

A SMS is 160 caracters. If you go above 160 caracters, it will charge for 2 SMS