curl --request POST \
  --url https://rest-api.smsmngr.com/v1/apikey/change \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "apikey": "cD4xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx40",
  "scope": "api"
}
'

{
  "success": true
}