> For the complete documentation index, see [llms.txt](https://docs.multichain.info/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.multichain.info/start.md).

# Getting Started

- [Create a Project](https://docs.multichain.info/start/creating-a-project.md): Create your first project and retrieve its api key and secret key
- [Notify URL (Webhook)](https://docs.multichain.info/start/notify-url.md): Save a project webhook url to receive subwallet deposit callback/notifications.
- [Developer API](https://docs.multichain.info/start/api.md)
- [Multichain API (Public)](https://docs.multichain.info/start/api/public-api.md)
- [Merchant API (Private)](https://docs.multichain.info/start/api/private-api.md): All private merchant API requires the use of Multichain's project API Key in the header.