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

# Getting Started

- [GUIDELINES](https://developer.securecontainerrelease.com/getting-started/readme-1.md)
- [AUTHENTICATION](https://developer.securecontainerrelease.com/getting-started/authentication.md)
- [Method.](https://developer.securecontainerrelease.com/getting-started/authentication/method..md): Setting the Authentication Method for the API
- [Using the configuration file.](https://developer.securecontainerrelease.com/getting-started/authentication/using-the-configuration-file..md)
- [TESTING & SANDBOX](https://developer.securecontainerrelease.com/getting-started/testing-and-sandbox.md)
- [Creating a JWT testing token manually.](https://developer.securecontainerrelease.com/getting-started/testing-and-sandbox/creating-a-jwt-testing-token-manually..md)
- [SANDBOX environment.](https://developer.securecontainerrelease.com/getting-started/testing-and-sandbox/sandbox-environment..md)
- [ERROR CODES](https://developer.securecontainerrelease.com/getting-started/error-codes.md)