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

# Advanced Options

- [Third-party fulfillment](https://guide.hardfin.com/advanced-options/third-party-fulfillment.md)
- [Permissions](https://guide.hardfin.com/advanced-options/permissions.md)
- [Sandbox](https://guide.hardfin.com/advanced-options/sandbox.md)
- [API access](https://guide.hardfin.com/advanced-options/api-access.md)