> For the complete documentation index, see [llms.txt](https://developer.betstack.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.betstack.io/sms-notifications.md).

# SMS notifications

- [Headers](https://developer.betstack.io/sms-notifications/headers.md)
- [Signature](https://developer.betstack.io/sms-notifications/signature.md): Generate HMAC hash signature to check that SMS notification is actually coming from us.
- [Notification types](https://developer.betstack.io/sms-notifications/notification-types.md)
- [otp](https://developer.betstack.io/sms-notifications/notification-types/otp.md)
- [ticket\_status](https://developer.betstack.io/sms-notifications/notification-types/ticket_status.md)
- [bet\_result (not supported)](https://developer.betstack.io/sms-notifications/notification-types/bet_result-not-supported.md)