# Create a new firmware upgrade campaign for multiple nodes Requires upgrade-manager::modify permission. Endpoint: POST /upgrade-manager/api/v1/upgrades Version: 1.0.0 Security: JWTAuthorizer ## Response 200 fields (application/json): - `uid` (string) Unique ID Example: "a9f7cfec-da06-4822-b4ab-389e4ad51931"