> 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

{% content-ref url="/pages/W9HUOthPpqWWn0fiYViV" %}
[Application parameters](/api/api-reference/resources/application-parameters.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MbvYXtBnywVTALaZNg\_" %}
[Error codes](/api/api-reference/resources/error-codes.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MbvYPjTkC3pxPxWyrO9" %}
[Regional codes](/api/api-reference/resources/region-codes.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MbvYK-U3rxxnWRApaQD" %}
[Report field mappings](/api/api-reference/resources/report-field-mappings.md)
{% endcontent-ref %}