curl --request POST \
  --url https://api.example.com/admin/language/save \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "languageID": null,
  "isActiveForTranslation": null,
  "isActiveForiOSApp": null,
  "isActiveForWebsite": null,
  "isHidden": null,
  "compositionLine1": null,
  "compositionLine2": null,
  "placeholderLine1": null,
  "placeholderLine2": null
}
'

{
  "success": true,
  "data": "<unknown>"
}