> For the complete documentation index, see [llms.txt](https://docs.tryterra.co/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tryterra.co/faq/help-topics/data-api-sdk/data-model-fields-and-units/fhir-format-documentation.md).

# How do I explore the FHIR output format?

**To explore the FHIR format**, switch a [testing environment](https://docs.tryterra.co/health-and-fitness-api/integration-setup/understanding-terra-environments) to FHIR processing and use the data generator to send sample payloads to your webhook.

The output follows the standard FHIR resource structure.