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

# Resources

- [Application parameters](/api/api-reference/resources/application-parameters.md)
- [Error codes](/api/api-reference/resources/error-codes.md)
- [Regional codes](/api/api-reference/resources/region-codes.md)
- [Report field mappings](/api/api-reference/resources/report-field-mappings.md)