# UpgradeOperations

 - [POST /upgrade/images/{imageId}/prevalidation](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/prevalidate_upgrade.md)
 - [POST /upgrade/operations](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/create_upgrade_operation.md)
 - [POST /upgrade/operations/{upgradeParentJobId}/apply](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/apply_upgrade_operation.md): Starts the Apply phase of an upgrade operation for the given engines. Callers supply only engine_ids; the upgrade image/version applied is the one the parent operation was created with. Before any eng
 - [GET /upgrade/operations/{upgradeParentJobId}/report](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/get_upgrade_report.md)
 - [GET /upgrade/operations/{upgradeParentJobId}/verify-result](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/get_verification_results.md)
 - [GET /upgrade/operations/{upgradeParentJobId}/verify-result/{engineId}](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/get_verification_result_by_engine.md)
 - [POST /upgrade/operations/{upgradeParentJobId}/verify-result/ignore](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/ignore_verification_results.md)
 - [POST /upgrade/operations/{upgradeParentJobId}/verify-result/resolve](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/resolve_verification_results.md)
 - [GET /upgrade/operations/{upgradeParentJobId}/apply-results](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/get_apply_results.md)
 - [GET /upgrade/operations/{upgradeParentJobId}/apply-results/{engineId}](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/get_apply_result_by_engine.md)
 - [POST /upgrade/operations/{upgradeParentJobId}/engines/{engineId}/rollback](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/rollback_engine_upgrade.md)
 - [POST /upgrade/operations/{upgradeParentJobId}/engines/{engineId}/retry](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/retry_engine_upgrade.md)
 - [POST /upgrade/operations/{upgradeParentJobId}/engines/{engineId}/continue](https://help-api.delphix.com/data-control-tower/continuous-data/2026.5.0.0/continuous-data-apis-dct-2026.5.0.0/upgradeoperations/continue_engine_upgrade.md)