WhatsApp Now Lets You Chat Using Only a Username, No Phone Number Needed

2026-07-19 · 8 min de leitura · E. Ribeiro

Privacy | WhatsApp News

Imagine being able to talk to someone on WhatsApp without knowing their phone number. Or sharing yours. That idea just became real. WhatsApp is rolling out usernames gradually, and the change is bigger than it sounds: over three billion people will connect differently from now on.

What is a WhatsApp username?

A username is a unique identifier tied to your WhatsApp account. Anyone who knows it can start a conversation with you in the app without having your number saved.

WhatsApp is closing a privacy gap that has been there since day one. Until now, anyone with your number could message you. Usernames change that.

It might seem like a small thing day to day, but the impact is huge. Your number is no longer the only key to your account. You have more control over who can find you.

Sharing your phone number was always an irreversible decision: once someone has it, there is no taking it back.

Why this matters to you

Think about how many times you gave your number to someone you barely knew. A work group. An online purchase. An event. A community. How many times did you wish you hadn't?

This was one of WhatsApp's oldest privacy problems. Joining groups or conversations meant exposing your number to people you didn't necessarily want to contact you directly.

That is exactly what the new feature solves. You share your @username. The other person finds you. The conversation happens. Your number stays private.

How it works in practice

Finding someone by username

Open WhatsApp, tap the new chat icon in the Chats tab, go to the search bar, and type the full username of the person you want to contact. If the profile exists, it shows up in the results. You open the chat directly, no number saved.

Important detail: there is no public directory of usernames and the app won't suggest profiles. You need to know the exact name of who you are looking for. That alone is a layer of protection.

Contacts who already have your number can still reach you the usual way. The username is a new option, not a replacement for your number.

The Username Key for extra protection

If you want even more control, WhatsApp created the Username Key. It is an optional 4-digit PIN, possibly alphanumeric in the final version. It works like a second door. Anyone contacting you by username for the first time has to enter this key before their message gets through.

It is like having a doorman: knowing the address (the username) is not enough — you still need to ring the right bell (the key) to get in.

How to reserve your username now

WhatsApp opened username reservations early to prevent duplication across more than three billion users. If the feature hasn't reached your account yet, you can reserve the name you want now. It stays saved until the feature arrives for you.

Step by step:

1. Update WhatsApp to the latest version on the App Store or Google Play
2. Open the app and go to Settings → Profile
3. Look for the Username field — if it appears, the feature is already available to you
4. Type your desired username and check availability
5. Confirm and done — your @handle is reserved

Note: username reservation is only available on the mobile app. WhatsApp Web and Desktop don't support it yet.

Rules for creating your username

Before choosing your name, here are the rules WhatsApp has set:

• The username must be between 3 and 35 characters and can only contain lowercase letters, numbers, dots, and underscores. It must include at least one letter. It cannot start with "www." or end with extensions like ".com".
• There is a rule most people will overlook: your username must be available across all Meta platforms at the same time. If someone already uses @yourname on Instagram, you will not be able to use it on WhatsApp.
• To prevent impersonation, WhatsApp will reserve usernames for public figures, celebrities, businesses, and government entities. These names won't be available to regular users.

There is a rule most people will overlook: your username must be available across all Meta platforms at the same time.

When will it arrive for everyone?

The launch is happening in waves. The first wave arrived on July 7, 2026, with countries like Algeria, Azerbaijan, Ghana, Libya, and Nepal. The second wave, expected on July 20, 2026, starts covering the rest of the world. A broader global expansion is expected from September 2026.

Go to Settings, then Profile, and look for the username field. If it shows up, you are good to go. If not, it hasn't reached you yet. Keep the app updated and check from time to time.

What changes for businesses and creators

For businesses and creators, the impact goes beyond privacy. Companies get unique, searchable usernames that improve their visibility and brand identity in the app.

Brands and creators with Instagram or Facebook accounts can claim the same username on WhatsApp. This creates a unified identity across Meta platforms. For anyone in digital communication, that is a big advantage: one consistent presence everywhere.

Things nobody is talking about

Like any new identity system, usernames also bring risks worth knowing:

Impersonation risks. With usernames, bad actors can create handles that look very similar to those of brands or well-known people to deceive. If you receive a message from someone whose username looks suspicious, verify through other channels before acting.

Using the same username on Instagram, Facebook, and WhatsApp can link your accounts visibly. That might not be ideal if you prefer to keep your profiles separate.

Your number is still required. The username doesn't replace your phone number for creating or keeping your account. The number is still necessary. The username is an extra layer, not a replacement.

WhatsApp vs. Telegram vs. Signal: who got there first?

Let us be honest: you have heard someone say "Telegram has had this for years." And the answer is: yes, it has. Signal and Wire too. WhatsApp was the last of the major messaging apps to adopt usernames.

But the scale is very different. Telegram has about 1 billion users. WhatsApp has over three billion, in more than 180 countries and 60 languages. When WhatsApp launches something, the global impact is on another level. And the time they took also means the system was designed with more thought about privacy, security, and abuse.

Conclusion: a change you will feel every day

Sharing your number was always a one-way decision. Once someone has it, it is done. The username changes that. You choose what you share, with who, and when.

You choose what you share, with whom, and when.

The username is not just a new feature, it is a new way of introducing yourself in the app.

For billions of people using WhatsApp for work, family, and business, this is one of the most real privacy changes in years. It is not just a new feature. It is a new way of introducing yourself in the app.

Reserve your username now, while the best ones are still available.

See also on ZapToMe

• How to enable two-step verification on WhatsApp, complete guide
• WhatsApp announces protection against unknown number messages
• WhatsApp privacy: everything you can control in settings

Sources

• WABetaInfo, WhatsApp is gradually rolling out the full username feature (July 2026)