Connecting Whatsapp via Cloud API vs via QR code scan

Connecting via WhatsApp Business Cloud API

• Use this option to connect phone number line that does not have WhatsApp installed;
• Requires Meta Business Suite account and Meta developer account;
• Paid conversations for over 1000 messages. Check pricing;
• The number can’t be added to WhatsApp groups.
• There is 24-hour window to reply to your customer. Afterward, that session closes.
• Should be the most reliable connection method though much harder to configure
• (upcoming) Proactive templated messages

Scan QR code to connect the existing number with the WhatsApp Mobile app.

• Quick and easy connection of existing WhatsApp numbers;
• WhatsApp Business app is required;
• No smartphone is required after the initial connection;
• Uses WhatsApp web private API that is less reliable and can drop connection in certain situations.
• No restrictions, you can reply to your customer after 24 hours
• Proactive messaging is avaliable