> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.ecall-messaging.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How much does text-to-speech cost?

A Text-to-Speech message costs 5 points for each block of 160 characters or part thereof (i.e. a message containing 190 characters would cost 10 points).