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

# Using the API

- [Authentication](https://docs.hellohakuna.com/using-the-api/authentication.md)
- [Versioning](https://docs.hellohakuna.com/using-the-api/versioning.md)
- [Environments](https://docs.hellohakuna.com/using-the-api/environments.md)
- [Responses](https://docs.hellohakuna.com/using-the-api/responses.md)
- [Testing](https://docs.hellohakuna.com/using-the-api/testing.md)