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

# Getting Started

- [Getting Started Overview](https://docs.senmo.io/documentation/getting-started/getting-started-overview.md)
- [API Fundamentals](https://docs.senmo.io/documentation/getting-started/api-fundamentals.md)
- [Authentication](https://docs.senmo.io/documentation/getting-started/authentication.md)
- [Environments](https://docs.senmo.io/documentation/getting-started/environments.md)
- [Errors & Status Codes](https://docs.senmo.io/documentation/getting-started/errors-and-status-codes.md)
- [API Versioning](https://docs.senmo.io/documentation/getting-started/api-versioning.md)