If you have an HTML website, you can add a link to WhatsApp using this code.
You can test this code with this link >
Contact us with WhatsApp
HTML Code with a link to WhatsApp to copy and paste in your website
<a href=”https://api.whatsapp.com/send?phone=34627524218&text=Hello%20Text”>Contact us with WhatsApp</a>
You can use this code to generate your custom link to your WhatsApp Number from your website.
Always remember to add your country code with your phone number.
You can use a text with your message to make it easier for your customer to contact you.