A direct route from a link to a conversation
A WhatsApp link is a web address that asks WhatsApp to open a conversation with a particular phone number. It removes the usual step of asking someone to save a contact before sending the first message. The visitor still controls the conversation: opening a link does not automatically send a message, place an order, or give the business consent to contact them later.
The feature is often called click to chat. It is useful on a website, social profile, email signature, digital document, or QR code where a typed phone number would create extra work. You can create one with the WALinkGen tool or write the standard format yourself.
How the wa.me format is constructed
The simplest format is https://wa.me/ followed by the full international phone number. The path contains digits only. A Malaysian example is https://wa.me/60123456789; a Singapore example is https://wa.me/6591234567. Do not place a plus sign, spaces, brackets, dashes, an extension, or a local dialing prefix in the final URL.
A country calling code is not the same thing as a local prefix. For example, a Malaysian mobile number commonly written as 012-345 6789 is normally represented internationally as 60 12-345 6789, so its wa.me path becomes 60123456789. Numbering rules vary by country; use the step-by-step phone-format guide when converting a local number.
What a pre-filled message changes
A link can include an optional text query parameter. The text is URL-encoded so spaces, punctuation, line breaks, and characters from other writing systems survive inside a URL. When the link opens, WhatsApp places that text in the message box as an editable draft.
A useful message supplies context without speaking for the visitor. For a product page, "Hi, I am interested in [product]. Is it available?" is clearer than a generic "Hi." Avoid putting passwords, payment card details, identity numbers, health information, or other sensitive data into a link because URLs can be copied, logged, and shared.
What happens after someone clicks
On a phone, the browser generally hands the link to the WhatsApp application. On a computer, the visitor may see WhatsApp Web, the desktop application, or a sign-in prompt. The exact result depends on the device, browser, installation, and current WhatsApp session.
The destination number must be registered with WhatsApp for a chat to open successfully. Because app handoffs can differ, test every published link on both mobile and desktop. Testing is especially important when a button is inside an in-app browser used by a social network or advertising platform.
Where direct chat links are most useful
- Product and service pages where a buyer may need one answer before deciding.
- Social profiles where space is limited and the main goal is an enquiry.
- Booking, property, restaurant, and support pages that benefit from a task-specific opening message.
- Printed menus, counters, invoices, packaging, and event materials that use a QR code to bridge offline and online contact.
Businesses with several customer journeys should not automatically use one generic link everywhere. A property listing, delivery-support page, and restaurant menu can use the same receiving number while giving each link a different, relevant draft message.
When a form, email, or call is a better choice
Click to chat is designed for conversation, not every type of data collection. Use a structured form when you require several mandatory fields, file uploads, formal consent, application screening, or a record that must enter a CRM in a fixed format. Keep phone and email alternatives available for people who cannot or prefer not to use WhatsApp.
For implementation details, continue with the WhatsApp click-to-chat guide. It covers calls to action, placement, campaign context, and testing without treating chat clicks as guaranteed conversions.
FAQ
Does a WhatsApp link send a message automatically?
No. The link can open a chat and show an optional draft, but the visitor must choose to send the message.
Can I use one WhatsApp link on every page?
You can, but task-specific links are often more helpful. A product page, property listing, and support page may need different opening messages.
Is a WhatsApp link the same as the WhatsApp API?
No. A wa.me link opens a chat for a user. The WhatsApp Business Platform/API is a separate product for managed messaging workflows.