[[upgrade-assistant-api-status]] === Upgrade readiness status API ++++ Upgrade readiness status ++++ experimental["The underlying Upgrade Assistant concepts are stable, but the APIs for managing Upgrade Assistant are experimental."] Check the status of your cluster. [[upgrade-assistant-api-status-request]] ==== Request `GET :/api/upgrade_assistant/status` [[upgrade-assistant-api-status-response-codes]] ==== Response codes `200`:: Indicates a successful call. [[upgrade-assistant-api-status-example]] ==== Example The API returns the following: [source,sh] -------------------------------------------------- { "readyForUpgrade": false, "cluster": [ { "message": "Cluster deprecated issue", "details":"You have 2 system indices that must be migrated and 5 Elasticsearch deprecation issues and 0 Kibana deprecation issues that must be resolved before upgrading." } ] } --------------------------------------------------