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err:unkey:application:deployment_no_current
The app has no current deployment yet, so there’s nothing to promote over or roll back from. You get HTTP 412.
Example response

Likely causes

  • No production deployment for this app has succeeded yet. The first one that succeeds becomes current on its own.

How to fix

  1. Create a production deployment with deployments.createDeployment and let it finish. It becomes current on its own.
  2. Use promote and rollback later, to move between deployments that already exist.
Last modified on October 6, 2026