# Observation ## Get FHIR r4 observations - [GET /site/{siteId}/fhir/observation](https://docs.heydonto.com/apis/fhir/openapi/observation/fhirobservationcontroller_getobservations.md) ## Create FHIR r4 observation - [POST /site/{siteId}/fhir/observation](https://docs.heydonto.com/apis/fhir/openapi/observation/fhirobservationcontroller_createobservation.md) ## Get FHIR r4 observation by ID - [GET /site/{siteId}/fhir/observation/{id}](https://docs.heydonto.com/apis/fhir/openapi/observation/fhirobservationcontroller_getobservation.md) ## Update FHIR r4 observation - [PUT /site/{siteId}/fhir/observation/{id}](https://docs.heydonto.com/apis/fhir/openapi/observation/fhirobservationcontroller_updateobservation.md) ## Delete FHIR r4 observation - [DELETE /site/{siteId}/fhir/observation/{id}](https://docs.heydonto.com/apis/fhir/openapi/observation/fhirobservationcontroller_deleteobservation.md) ## Get FHIR r4 observation history by ID - [GET /site/{siteId}/fhir/observation/{id}/history](https://docs.heydonto.com/apis/fhir/openapi/observation/fhirobservationcontroller_getobservationhistory.md)