> For the complete documentation index, see [llms.txt](https://guides.clickatell.com/sms-channel/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guides.clickatell.com/sms-channel/getting-started.md).

# Getting Started

- [SMS Overview](https://guides.clickatell.com/sms-channel/getting-started/sms-overview.md)
- [Quick start guide (SMS)](https://guides.clickatell.com/sms-channel/getting-started/quick-start-guide-sms.md)
- [Activate SMS (self-serve)](https://guides.clickatell.com/sms-channel/getting-started/activate-sms-self-serve.md)
- [Add new SMS setups (self-serve)](https://guides.clickatell.com/sms-channel/getting-started/add-new-sms-setups-self-serve.md)
- [Add Campaign Manager](https://guides.clickatell.com/sms-channel/getting-started/add-new-sms-setups-self-serve/add-campaign-manager.md)
- [Edit & test SMS setups](https://guides.clickatell.com/sms-channel/getting-started/edit-and-test-sms-setups.md)
- [Add & edit SMS numbers](https://guides.clickatell.com/sms-channel/getting-started/add-and-edit-sms-numbers.md)
- [Add & edit test phones](https://guides.clickatell.com/sms-channel/getting-started/add-and-edit-test-phones.md)