# Delete a feature rule version

Deletes a single version of a feature rule.

Note: This API supports legacy Feature Rules only. Feature Rules created through the Admin Console (V4 Features) are stored in a different system and are not accessible through this API.

Endpoint: DELETE /v3/feature-rules/{featureRuleId}/versions/{versionId}
Version: 2026-01-08
Security: ZephrHmacHttp

## Path parameters:

  - `featureRuleId` (string, required)
    Unique Feature Rule identifier

  - `versionId` (string, required)
    Unique Version identifier

## Response 200 fields (*/*):

  - `message` (string)
    Example: "featureRuleId deleted successfully"


## Response 404 fields