Yes, KLM does have WhatsApp support through which you can chat with the agent 24/7. You can ask about any queries when connected with KLM via WhatsApp. Besides, if you don't know the procedure, follow the simple steps below.
Follow the steps below to connect to Does KLM have WhatsApp?
Go to the official site of KLM and locate the all contact option at the bottom.
Open the page, and you get various contact information
Navigate to find out WhatsApp icon and click on it