curl --request POST \
  --url https://api.lithoblocks.com/organizations/{id}/invite \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "email": "[email protected]",
  "role": "member",
  "message": "<string>"
}
'

{
  "success": true,
  "message": "<string>",
  "invitationId": "<string>"
}