> ## 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).

# REST


# REST SMS Interface

Use eCall's REST API to send SMS messages. On our website you will find [additional information](https://ecall-messaging.com/en/interfaces-and-documents/rest-interface/)

| [Here, in our Developer Portal, you will find all the information you need to set up the interface.](https://developer.ecall-messaging.com/api-references)