A WhatsApp link is a URL that opens a chat with your number in one tap, so customers never have to save you as a contact first. You can create one for free with the format https://wa.me/ plus your number with its country code, and optionally a message that shows up already typed in the text box. This guide covers how to build it correctly, where to use it and how to keep those clicks from getting lost in a messy inbox.
What is a WhatsApp link and what is it for?
A WhatsApp link (also called a “click to chat” link) is a web address that WhatsApp recognizes and turns into a conversation. When someone taps it on their phone, the app opens with your chat ready to go; on a computer, it opens WhatsApp Web or the desktop app.
For a business, the value is removing steps. Posting a bare phone number forces the customer to copy it, save it and look it up. With a link, buying intent becomes a conversation in seconds, right when interest is at its peak.
Use it to:
- Get sales inquiries from social media, your website or an ad.
- Offer post-purchase support from an invoice, a confirmation email or a package insert.
- Book appointments, reservations or demos without long forms.
- Measure which channel drives the most conversations, by using a different message per channel.
The parts of a WhatsApp link
A complete link has three pieces. Knowing them saves you from the most common mistakes:
| Part | Example | What it does |
|---|---|---|
| Base | https://wa.me/ |
Tells the browser this is a WhatsApp link |
| Number | 573001234567 |
Full number with country code, no +, spaces, dashes or leading zeros |
| Message (optional) | ?text=Hi%2C%20I%20want%20a%20quote |
Text that appears typed in the chat, so the customer only has to hit send |
There is also a long version, https://api.whatsapp.com/send?phone=573001234567&text=Hi, which does exactly the same thing. The short one is cleaner to share.
One special case: if you use https://wa.me/?text=... with no number, WhatsApp opens the contact picker so the person can forward that message to anyone. It is handy for referral campaigns (“share this deal with a friend”), not for receiving inquiries.
How to create a WhatsApp link step by step
Option 1: by hand, in under a minute
- Type the base:
https://wa.me/. - Add your number in international format, digits only. Examples: Mexico
525512345678, Colombia573001234567, Ecuador593991234567(drop the leading 0 of the local number), United States14155550123. - If you want a prefilled message, add
?text=and your encoded phrase: each space becomes%20, a comma becomes%2Cand a line break becomes%0A. - Paste the link into your phone’s browser and confirm it opens the right chat with the full text.
Final example: https://wa.me/573001234567?text=Hi%2C%20I%20saw%20your%20ad%20and%20want%20a%20quote.
Option 2: from the WhatsApp Business app
The WhatsApp Business app creates a short link to your profile and a QR code from its business tools. You can set a default message there as well. It is the fastest route if you only have one number and do not need per-channel tracking. If you also want to turn the link into a printable code, see how to create a WhatsApp QR code.
Option 3: with a link generator
Online generators ask for the number and the message and return the link already encoded. They are useful when you need many links with long text, accents or emojis. Before you use one, check that the output is a direct wa.me or api.whatsapp.com link: some services hand you their own redirect link, and if that service goes down or changes its terms, every link you published stops working.
The prefilled message: the most underused part
Most businesses leave the text blank or use a generic “Hi”. That is a missed opportunity. The prefilled message does three jobs at once:
- Context: you know from the first message what the person wants (“I want pricing for the annual plan”, “I need help with my order”).
- Source: if each channel uses a different phrase, you know where the chat came from. For example, “Hi, I found you on Instagram” versus “Hi, I came from your website”.
- Routing: that phrase can feed an automatic reply or a chatbot that sends the inquiry to the right team.
Tips for writing it:
- Write it in first person, the way the customer would say it.
- Keep it to one short line. The customer can edit it before sending.
- Include a keyword for the product or campaign.
- Never ask for sensitive data in the prefilled text.
Where to use your WhatsApp link
| Channel | How to use it | Suggested message |
|---|---|---|
| Instagram bio | As your profile link or inside your bio links | “Hi, I found you on Instagram and want info” |
| Stories | With the link sticker, on product or promo stories | “I want this week’s deal” |
| Website | In a floating button, your contact page or each product page | “I want a quote for [product]” |
| Meta ads | Better with the native WhatsApp destination than a pasted link | Set by the ad itself |
| Email and signature | In order confirmations or your sales team’s signature | “I have a question about my order” |
| Print and packaging | Turned into a QR code | “I scanned the QR at the store” |
If Instagram is your main channel, we have a dedicated guide to adding a WhatsApp link on Instagram (bio, contact button, stories and highlights). And if you plan to put money behind it, click-to-WhatsApp ads on Meta usually outperform pasting the link into a traffic ad.
Common mistakes that break a WhatsApp link
- Keeping the + or the leading 0. The number must be digits only, in international format.
- Not encoding the text. An unencoded space can cut the message short in some apps.
- Pointing to a number nobody answers. A link that leads to an unanswered chat does more harm than having no link.
- One link for everything. Without a different message per channel, you will not know what works.
- Not testing on iOS and Android. Check both before printing or running ads.
What happens after the click: the real challenge
Creating the link is the easy part. The hard part starts when it works: dozens of chats a day landing on one phone, several teammates passing the device around, customers waiting hours for a reply and no way to know how many of those conversations closed.
If that sounds familiar, three decisions are worth making:
- Move to the official WhatsApp Business API once more than one or two people need to answer the same number at the same time. We cover the options in multiple users on WhatsApp.
- Automate the first reply so nobody waits: a greeting, FAQs or your catalog. A WhatsApp chatbot handles much of this.
- Log every conversation as an opportunity so you know which channel and message drive sales, not just chats.
On costs: the link itself is free, but with the API Meta charges per delivered message based on category and country, with changes that took effect on October 1, 2026. To estimate your spend, use the WhatsApp API pricing calculator.
How Mercately helps with your WhatsApp links
Mercately is an AI-powered conversational CRM built on the official WhatsApp Business API. Once your links start bringing in volume, here is how it helps:
- Shared inbox: conversations from WhatsApp, Instagram and Facebook Messenger land in one view, with each customer’s full history. Learn more about the Mercately CRM.
- Several agents on one number: with WhatsApp Multiagent, each agent gets their own inbox and conversations are assigned automatically by team, workload, schedule or tag.
- Instant replies, 24/7: MIA, the AI agent, answers in your brand’s tone, uses your catalog and knowledge base, qualifies the lead and hands off to a person when needed. If you prefer guided flows, no-code chatbots let you reply, qualify and route leads.
- From chat to sale: every conversation becomes a contact with a stage, an owner and data inside your pipelines, and you can send payment links in the same chat.
- Multiple numbers: if each branch or team has its own link, the multi-number CRM brings them together in one account with reports per number.
Try Mercately free for 15 days, no credit card required: create your account here.
