# Linkage ## Get FHIR r4 linkages - [GET /site/{siteId}/fhir/linkage](https://docs.heydonto.com/apis/fhir/openapi/linkage/fhirlinkagecontroller_getlinkages.md) ## Create FHIR r4 linkage - [POST /site/{siteId}/fhir/linkage](https://docs.heydonto.com/apis/fhir/openapi/linkage/fhirlinkagecontroller_createlinkage.md) ## Get FHIR r4 linkage by ID - [GET /site/{siteId}/fhir/linkage/{id}](https://docs.heydonto.com/apis/fhir/openapi/linkage/fhirlinkagecontroller_getlinkage.md) ## Update FHIR r4 linkage - [PUT /site/{siteId}/fhir/linkage/{id}](https://docs.heydonto.com/apis/fhir/openapi/linkage/fhirlinkagecontroller_updatelinkage.md) ## Delete FHIR r4 linkage - [DELETE /site/{siteId}/fhir/linkage/{id}](https://docs.heydonto.com/apis/fhir/openapi/linkage/fhirlinkagecontroller_deletelinkage.md) ## Get FHIR r4 linkage history by ID - [GET /site/{siteId}/fhir/linkage/{id}/history](https://docs.heydonto.com/apis/fhir/openapi/linkage/fhirlinkagecontroller_getlinkagehistory.md)