curl --request POST \
  --url https://api.portalhq.io/api/v3/custodians/me/clients \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "isAccountAbstracted": false
}
'

{
  "id": "clientId",
  "clientApiKey": "clientApiKey",
  "clientSessionToken": "clientSessionToken",
  "isAccountAbstracted": false
}