curl --request POST \
  --url https://platform.thena.ai/v1/forms/delete \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "forms": [
    {
      "formId": "<string>",
      "version": 123
    }
  ]
}
'

{
  "statusCode": 400,
  "message": "Cannot delete default form, default form: FO123456789",
  "error": "Bad Request"
}