WhatsApp Username and BSUID: The Definitive Guide (Usernames, Privacy, and the End of Cold Prospecting)

slug: whatsapp-username-end-of-cold-prospecting

Every week I receive some variation of the same question: "Marcus, is it true that WhatsApp is going to kill prospecting?" The short answer is: not with WhatsApp itself — only with a specific way of prospecting, which many people still call "prospecting" but for years has actually been invasion. What is changing now has a name, a date, and an error code. And for those who understand it quickly, it represents one of the biggest opportunities since the day WhatsApp stopped being just a messaging app and became the primary sales channel in the country.

I operate more than two million conversation windows per day on WhatsApp and, as an official Meta partner, I have read and tested the new documentation line by line. In this article, I break down what I explained in the video: what the username is, what the BSUID is, the 30-day rule that saves your database, the silent hole already appearing in corporate CRMs — and why the business @ is the greatest inbound weapon WhatsApp has ever given you.

Quick Summary (TL;DR)

WhatsApp is releasing usernames — an identifier with an @ symbol, just like on Instagram. For the consumer, it allows them to hide their phone number and be contacted only via the @, with an optional 4-digit key and no search directory. For the business, the username does not hide the number and is searchable, becoming an inbound tool.

Behind the scenes, Meta introduced the BSUID (Business-Scoped User ID): when someone with a username talks to your business without revealing their number, your system receives this code instead of the phone number. And there is a rule that changes marketing on WhatsApp: you can only send a message to a BSUID that has contacted you first — it is not possible to buy, import, or scrape lists. In practice, this decrees the end of cold prospecting by number and places inbound (the customer seeking you out) at the center of the strategy.

Username reservation is already open in Brazil and the feature starts being rolled out from July 2026. Since the @ is unique globally and issued on a first-come, first-served basis, reserving yours now is the most urgent action in this article.

slug: what-is-the-whatsapp-username

What is the WhatsApp username?

The WhatsApp username is a unique, optional identifier, preceded by an at sign (for example, @marcusbarboza), which functions as a layer over the phone number. It allows people to start a conversation with you without needing your number — exactly as it happens on Instagram, where you are found via @ and not by phone.

For seventeen years, identity on WhatsApp was one thing: the phone number. For someone to send you a message, they needed your number. Period. The number was the entry point for everything. With the username, this changes structurally — and it is, perhaps, the biggest turning point for WhatsApp since its launch.

It is important to understand right away: the number does not cease to exist. It continues to be what creates and sustains the account. What changes is that, for the consumer, the number can stop being exposed — becoming backstage information, while the @ becomes the public front door.

The distinction that explains everything: consumer username vs. business username

Before anything else, you need to understand that there are two types of usernames, and they function in different ways. This distinction is the guiding thread for everything else.

Keep this contrast in mind: for the consumer, the username is about hiding; for the company, it is about being found. That is why the same innovation scares those who prospect and, at the same time, opens a new inbound avenue for those who know how to use it.

slug: consumer-username-the-3-privacy-rules

Consumer Username: The 3 Privacy Rules

The consumer username was designed with privacy at its core. There are three rules, and each one is a game-changer for those who sell.

Rule 1 — The number stays hidden

When the feature is active, the person can choose to be found and contacted only by their username, and their phone number remains hidden from anyone who doesn't already have it saved. WhatsApp's own screen explains: "with a username, your phone number will not be displayed to people who do not know your number."

Practical example: today, if someone has your number by any means — because they bought a list, scraped it from a site, or took it from a group — they can send you a message. In the new model, this same person hides the number and effectively says: "only those who know my username can talk to me."

Rule 2 — There is no directory

For the consumer, there is no search, no suggestions, no list of usernames to browse. To talk to someone for the first time, you need to know the person's exact handle. If you don't know it, you won't find them.

Practical example: it's like trying to find someone on Instagram without knowing the @ and without the search bar working by name. If the person hasn't given you their @, they simply don't exist to you. The "discovering" of someone is over.

Rule 3 — User Pin (4-digit code)

There is also an optional user pin: a four-digit code. When a person activates it, knowing the handle isn't enough to send the first message — you must know the handle and the pin. It's an extra lock on controlling who gets in.

Chapter summary: the consumer now controls who enters. It's no longer you, who had their number on a list. It's them.

slug: why-this-kills-cold-prospecting-with-an-example

Why this kills cold prospecting (with an example)

This is where I need to be very direct with those who make a living from outbound prospecting.

The classic model works like this: you buy or build a list of numbers and blast them to everyone. It always worked because the number was everyone's entry point.

Now project this world a few months from now, with millions of people hiding their numbers behind an @. These numbers simply vanish from your reach. The person who hid their number and never gave you their username is someone you have no way to find: there is no directory to search and, internally in the system (via API), you cannot initiate a conversation with just a username.

And it doesn't stop there. Meta has already warned that it will limit how many new people each account can contact and that it has systems detecting and blocking abuse patterns. There is even an error code for this: the message is not delivered "to keep the ecosystem healthy." In other words, blasting people who never reached out to you won't just stop working — it will be actively barred.

Practical example of the impact: a company that today buys 50,000 numbers per month and blasts promotions will see this model progressively lose effectiveness as username adoption grows and Meta tightens the limits. Each number that adopts the @ and disappears from the list is a contact that can never again be initiated cold.

slug: what-is-bsuid-explained-in-depth

What is the BSUID (explained in depth)

Now for the piece that closes the loop: the BSUID. It sounds complicated, but it can be simplified in a way you will never forget.

BSUID stands for "Business-Scoped User ID." It is a unique code that Meta creates to represent each person within your business. When someone with a username sends you a message without showing their number, your system no longer receives the phone number — it receives this code instead.

It follows the format: two country letters + period + a sequence of characters. In Brazil, it starts with BR. followed by the code (for example, something like BR.1a2b3c4d...).

There are four characteristics, each with a practical consequence:

1. It is unique per business

The same person has a different BSUID for every business they talk to. Your company cannot use this code to track the person elsewhere, and no other company can see the code they have with you. It is privacy by design.

Example: A customer named Ana speaks with Store A, Clinic B, and Agency C. She has three different BSUIDs, one for each. Store A cannot cross-reference Ana's BSUID with Clinic B's. Therefore, nobody will sell "BSUID lists" — the codes wouldn't even be valid outside the company that received them.

2. It is stable… up to a point

If the person changes their username, the BSUID remains the same — great, their identity in your system is not lost. However, if they change their phone number, the code is generated from scratch, and Meta notifies you of this with a specific signal (a webhook).

Why this matters: If your system does not handle this change, you will think it is a new person when, in reality, it is a long-time customer who changed their number. Result: duplicated records and lost history — what the MCI methodology calls pure operational amnesia: the company forgets the customer it has already served.

3. It only works for those who have contacted you (the rule that kills cold prospecting)

You can only send a message to a BSUID that has already reached out to you. The code only begins to exist in your system after that specific person has messed you at least once. There is no buying, no importing, no scraping.

The new WhatsApp identifier, by design, only works for those who have already spoken to you. The rest, you cannot reach.

4. It is not for everything

There is one type of message that continues to require the actual phone number: authentication messages — verification codes, OTPs. To send a login code, the BSUID does not work; you need the number. Keep this in mind, as it is a trap for those working with logins and verifications.

slug: the-30-day-rule-the-line-between-panic-and-calm

The 30-day rule: the line that separates panic from calm

Before you panic, let me draw the exact line that separates alarm from tranquility. A true expert doesn't scare you in the dark — they show you where the danger is and where it isn't.

The customer's phone number continues to appear for you if there has been interaction in the last 30 days — a message or call that you sent, or that you received — or if the customer is already saved in your contact list.

In practice, this means something powerful: your active base is protected. Every customer who talked to you in the last month continues to arrive with the normal number. Those who arrive only with a BSUID, without a number, are the unknowns — those who adopted a username and had never spoken to you before.

Example: a customer who bought from you 15 days ago and adopted a username today continues to appear with the number because there was recent interaction. Meanwhile, a new lead who has never spoken to you and has a username arrives only as a BSUID.

The Contact Book: Meta's automatic address book

There is even an extra layer of protection that Meta created: a sort of automatic address book (Contact Book) that stores the "number + BSUID" pair every time you interact with someone. Once this pair has been stored, the number appears for you from then on.

Three important points about this agenda:

• It began operating in 2026 and is turned on by default.
• It is not retroactive: it only stores those who interacted with you after it was activated. Old conversations are not included.
• It is per business portfolio — each portfolio maintains its own agenda.

The message is surgical: this is not the end of WhatsApp for sales. It is the end of only one thing — and it is a deadly thing for those who depend on it: talking to those who never sought you out. Your base, your customers, and those who call you: all of that continues.

The silent hole in your CRM (and how to fix it)

Now for the technical danger, which is silent and cruel — and will catch many companies off guard.

If your CRM, your omnichannel, or your automation only recognizes customers by phone number, see what happens when someone with a username sends you a message: the system receives that strange code and finds no one. The bot doesn’t personalize. The agent sees an unknown contact. Worse: the system might create a duplicate record for the same person — one for the old number, another for the new code.

The person reached out to you (a hot lead, done the right way) and you tripped over your own operation. And it doesn't show up in any error report. You simply lose, in silence.

Through the lens of MCI, this is the ultimate scenario of operational amnesia applied to a new era: the customer changes identity and the company loses its memory. The solution isn't a miracle — it's preparing the CRM to recognize the customer by the correct Crachá de Contexto, and not just by the number.

What to do (take this to your technology team):

1. The CRM needs to store the BSUID side-by-side with the number and identify the customer by both — first by the code, with the number as reinforcement.
2. The system needs to understand the number change signal (the webhook that notifies the BSUID regeneration), so it doesn't duplicate the record.
3. Those operating with the official API need to fix this before the shift.

A mature Marketing Conversacional Integrado platform already has this ready for its clients — because those who don't fix it will bleed sales without knowing why.

slug: silent-crm-gap-bsuid-username-identification

The other side: the commercial @ is an inbound weapon

Up to this point, we've seen the scary side. Now let's flip the coin, because there is an enormous opportunity here — and this is where the commercial username comes in.

The commercial @ does not hide the number

Unlike the consumer, the commercial username does not hide your company's number. Your number remains visible on the profile. It makes sense: you want to be found. The WhatsApp Manager screen itself warns: "the phone number will still be displayed on your profile."

The commercial @ is searchable

And here is the gold: the commercial username is searchable. The customer can search for your company's @ and find you to start a conversation. Notice the difference that few people have realized: your display name (that pretty company name) was never searchable. The username is. For the first time, your company has a unique and searchable identifier within WhatsApp.

Real example: Hablla configured @hablla for the commercial number and @hablla.suporte for the support number. Each number has its own username — it's one @ per number. This allows for one @ for sales and another for support, each tied to its own number, all under the same brand. The display name ("Hablla") can be repeated in both; the username is unique and glued to a single number.

Why this turns into inbound

Do you see the game shifting? The consumer vanishes from your prospecting radar, but your company becomes easier to find. And since the only way to talk to someone new is if they seek you out first, this searchable @ becomes one of your primary inbound weapons: you promote your @, the customer finds you, sends you the first message — and just like that, you now have the BSUID to talk to them.

slug: cold-prospecting-vs-inbound-via-bsuid-comparison

Cold prospecting by number × Inbound via BSUID (practical comparison)

To make the contrast visual and surgical, see side-by-side the old model (which is dying) and the new model (which is starting to dominate):

Practical examples side-by-side

Fashion E-commerce

• Old: buys a database of 50,000 numbers for "women 25–45" and blasts a promotion. Result: 2% respond, number falls into red quality, template blocked within 72 hours.
• New: promotes @storeexample in the website footer, in ads, and on packaging; runs CTWA for a new collection. Customer searches for the @, sends "I want to see the collection", becomes a BSUID in the CRM, and enters a flow with a cart, coupon, and remarketing within the window.

Dental Clinic

• Old: SDR calls and sends "hi, how are you?" to a neighborhood list. Reports climb, number drops to Restricted status.
• New: @clinicsmile on Instagram, Google Business, and the storefront. Patient searches, asks for hours, the bot captures the BSUID, schedules the appointment, and only then asks for the number using the official button for the medical record.

Infoproduct / Creator

• Old: blasts a sales link to an email list exported as numbers. High CTR on the first send, ban in two weeks.
• New: claims the same @ as Instagram, places it in the bio-link and at the end of every video. Follower opens WhatsApp, sends "I want the material", enters the broadcast list via BSUID, and receives content + offer with consent.

B2B / SaaS

• Old: SDR extracts numbers from LinkedIn, sends "can we talk for 15 min?". Low response, high legal risk (LGPD/GDPR).
• New: @company.sales promoted in webinars, whitepapers, and on the site. Qualified lead requests a demo, BSUID enters the CRM already scored, SDR focuses on hot conversations.

Agency serving multiple clients

• Old: sells a package of "1 million broadcasts/month". Client switches agencies after every ban.
• New: sets up operation with @brand (sales) and @brand.support (customer service), CRM prepared for BSUID, and budget migrated from cold lists to CTWA + content. The contract lasts because the number lasts.

Practical MCI rule: if the conversation cannot be initiated by the customer, it should not be initiated by you. The BSUID has transformed this philosophy into code.

slug: display-priority-and-how-to-claim-your-whatsapp-username

The display priority order (how you appear)

When your company has both a display name and a username, WhatsApp chooses what to show following a priority order:

1. Name saved by the contact (if the customer saved you in their phonebook).
2. Verified or official business name (the official account, with the badge).
3. Username (@).
4. Phone number.

Notice how everything connects: having a verified name, having the correct Business Manager, and maintaining consistent identity defines even how you appear in this new era. Those who built their house correctly get ahead — and not by chance, this is the Ⓒ for Consistência (Consistency) of the 8Cs of MCI applied to the millimeter on the platform.

How to reserve your username (step-by-step)

The @ is unique worldwide and operates on a first-come, first-served basis. If you sleep on it, you lose it. Here is how to secure yours.

For individuals (in the app)

On your phone: Settings → Account → Profile → Username. You can choose your own or use the app's generator.

For companies (official API)

You have two paths, and one automatically reflects in the other:

• WhatsApp Manager: left menu → Account tools → Phone numbers → click on the number → Profile tab → scroll to Username → Create and choose.
• Meta Business Suite: WhatsApp Accounts area → your number → Phone numbers.

Username formatting rules (with examples)

The username must follow specific rules. Knowing them avoids rejection:

• Only unaccented letters (a–z), numbers (0–9), periods (.), and underscores (_).
• Must have at least one letter.
• Between 3 and 35 characters.
• Cannot start or end with a period, nor have two consecutive periods.
• Cannot start with "www".
• Cannot end looking like a domain (.com, .net, .org, etc.).
• Periods and underscores count as different characters: marcus.barboza, marcus_barboza, and marcusbarboza are three distinct names.

Pro tip: claim the same @ as Instagram/Facebook

In most cases, you can claim the same @ that you already use on Instagram or Facebook, as long as the accounts are linked. This way, your name remains the same everywhere — and that is brand consistency, which is exactly what protects your reputation and makes it easier for the customer to recognize you.

slug: eligibility-retention-whatsapp-usernames-cql

Eligibility and retention: two details that prevent frustration

• Not every account can reserve a business username. The account needs a certain message limit and a certain maturity level. A newly created account might not be able to yet — one more reason to look after your saúde do seu número.
• 60-day retention: if one day you change or delete your @, the old name remains reserved for you for 60 days. No one can claim it during this period, and you can switch back.

How to continue getting the customer's number (with consent)

"But what if I need the number — to issue an invoice, send a code, register them?" The answer is elegant: you ask for it. But you ask the right way.

Meta created an official button to request contact info (REQUEST_CONTACT_INFO). You send it in the conversation, the customer taps it and decides whether to share the number with you. The philosophical difference is massive: before, you got the number externally and invaded; now, the customer hands you the number, inside a conversation they started, because they want to. It is true consent. And the number they share can go directly into your contacts, unlocking everything again for that specific contact.

For marketing and campaigns: you can still send marketing messages to those who reached out to you using the BSUID. However, Meta's own advice is: when you have the number, prefer sending via the number, because that way you continue receiving the number back in notifications and maintain a complete record.

The thread that stitches it all together: the new WhatsApp rewards consent and punishes invasion. Those who ask, receive. Those who just blast, get hit.

Dates and launch in Brazil

• Username reservation is already open in Brazil.
• The feature starts being rolled out as of July 2026, in waves.
• The @ is globally unique and granted on a first-come, first-served basis.

In other words: regardless of the exact date the feature becomes 100% active in your account, reserving your name now is what ensures no one takes your brand's @ before you do.

slug: practical-use-cases-mci-whatsapp-usernames

Practical use cases by segment

E-commerce: display the store's @ in ads, packaging, and the website footer. The customer searches for the @, starts the conversation, and you capture the BSUID right inside a service flow — without depending on cold lists that will dry up.

Clinics and services: place the @ in the Instagram bio and reception materials. Those who want to schedule search for you by @; you respond within the window and, when you need the number for registration/medical records, you use the official contact request button.

Infoproducts and creators: claim the same @ as Instagram to maintain a unique identity. The audience that already follows you finds your WhatsApp by the same name — pure inbound.

Agencies: guide each client to reserve their @ now, configure CRM for BSUID and migrate the budget from cold lists to CTWA (click-to-WhatsApp ads), which feeds inbound with the correct journey.

Operations with multiple numbers: use the logic @brand (commercial) and @brand.support (customer service), one @ per number, all under the same display name.

Preparation checklist

• Have I reserved my personal @ and my company's @(s)?
• Have I claimed the same @ as Instagram/Facebook for brand consistency?
• Does my CRM store the BSUID side-by-side with the phone number?
• Does my system handle the number change signal (to avoid duplicate registrations)?
• Have I configured the official contact request button for cases where I need the number?
• Have I migrated my cold list strategy to inbound (CTWA, content, community)?
• Does my number have enough health and maturity to reserve the commercial @?
• Is my Business Manager consistent in identity (BM, CNPJ, domain, display name)?

slug: what-this-means-for-your-strategy-mci-vision

What this means for your strategy (MCI vision)

Everything the MCI (Marketing Conversacional Integrado) methodology advocates for has just become the law of the platform. The customer-initiated conversation has always been healthier, generated fewer blocks, and converted better. Now, it is literally the only one that exists for those you don't yet know.

The game has shifted from "hunting those who don't want to be hunted" to "building a machine that makes the right customer seek you out first." Those who understand this first — reserving the @ handle, preparing the CRM, and migrating to inbound — will get ahead of an entire market that is still betting on lists that are about to dry up.

And here it is worth bringing in three Cs of the framework:

• Consent (the invisible C that now flows through everything): it has become a prerequisite, not a bonus.
• Consistency: the same @ on Instagram, Facebook, and WhatsApp makes the customer recognize you the second they search.
• Context: the BSUID is the new unit that sustains customer memory in your operation — if the CRM doesn't store it, the context is lost and the "amnesia" begins to hurt again.

Frequently Asked Questions

What is a WhatsApp username? It is a unique and optional identifier, using an @ symbol (e.g., @yourcompany), that acts as a layer over the phone number. It allows starting conversations without needing the number, similar to Instagram.

Does the username replace the phone number? No. The number continues to exist and is what creates the account. For the consumer, the number can be hidden; for the company, it remains visible on the profile.

What is BSUID on WhatsApp? BSUID (Business-Scoped User ID) is a unique code that Meta generates to identify each person within a specific company. When a customer with a username talks to the business without revealing their number, the system receives the BSUID instead of the phone.

Can I buy a list of BSUIDs or usernames for prospecting? No. The BSUID only exists after the person contacts your company; it is unique per company and cannot be bought, imported, or scraped. This puts an end to cold prospecting via phone number.

Does this change end WhatsApp for sales? No. It only ends the possibility of speaking with those who have never reached out to you. Your active base (interactions in the last 30 days or saved contacts) continues to arrive with the normal number.

How do I reserve my company's username? In WhatsApp Manager: Account Tools → Phone Numbers → Choose the number → Profile tab → Username → Create. It is also possible through Meta Business Suite, under WhatsApp Accounts.

Can I use the same @ as my Instagram on WhatsApp? In most cases, yes, as long as the accounts are linked. It is the recommendation for maintaining brand consistency.

Does the business username hide the company number? No. The business username does not hide the number — it remains visible on the profile and serves to make the company searchable and easier to find.

Can I still ask for the customer's number? Yes, with consent. Meta offers an official contact request button: the customer taps and decides whether to share the number, which can go directly into your address book.

Do I need to adjust my CRM because of the BSUID? Yes. The CRM must store the BSUID alongside the number, identify the customer by both, and handle the number change signal to avoid creating duplicate registrations or losing history.

When does the feature arrive? Reservations are already open, and the feature will begin to be released starting in July 2026, in waves. Since the @ is first-come, first-served, the ideal move is to reserve it now.

slug: whatsapp-username-bsuid-future-conversational-marketing

Conclusion

WhatsApp is releasing usernames. Consumers will be able to hide their phone numbers and control who enters via their @ handle. Your system will start receiving a code — the BSUID — instead of a phone number, and this code only works for those who have already contacted you. Cold prospecting via phone number now has an expiration date.

However, your active base is protected by the 30-day rule, your CRM can (and must) learn to speak the BSUID language, and your company has gained a searchable @ handle that serves as an inbound weapon. The path is clear: stop hunting those who do not want to be hunted and build a machine that makes the right customer find you first.

On WhatsApp, conversations that convert, numbers that survive.

Want to prepare your operation for this new era — CRM ready for BSUID and inbound strategy? Fale com a Hablla or follow meu canal no YouTube.

The ultimate guide to WhatsApp usernames (@), BSUID, and the end of cold prospecting by number — rules, examples, and what to do in the CRM.

It didn't happen overnight, but the revolution is here. Meta has officially begun rolling out WhatsApp Usernames (technically known as BSUID or Base Specific User ID).

For the market, it’s a new feature. For the MCI methodology, it’s the burial of cold prospecting via phone numbers and the final confirmation that one-to-one communication has changed forever.

If your company still treats WhatsApp like a telemarketing channel, you are about to lose access to your customers. In this guide, I will explain what changes, why this is happening, and how to adapt your RevOps and your Bandeja de Contexto to this new reality.

---

1. What is a WhatsApp Username (@) and BSUID?

Until now, the "key" to finding someone on WhatsApp was their phone number. This created a huge security and privacy flaw: if you had the number, you could spam.

Now, WhatsApp is moving to a model similar to Instagram and Telegram:

• @username: A unique identifier chosen by the user (ex: @marcusbarboza).
• BSUID (Base Specific User ID): A backend identifier that replaces the phone number in transmissions between companies (via API) and users.

In practice: You will be able to start a conversation without knowing the person's phone number, and conversely, the user can hide their number from companies and strangers.

---

2. The end of the "Cold Hunt" by number

Within Marketing Conversacional Integrado, we have always preached that the phone number is a sensitive asset. With the BSUID, Meta is effectively killing "purchased lists" and aggressive scraping.

If the user chooses to hide their number, your SDRs and sales teams will no longer see a "551199999..." in the Bandeja de Contexto. They will see a Crachá de Contexto linked to a BSUID.

Why this changes everything for the CQL:

The CQL (Conversation Qualified Lead) is now defined by the quality of the interaction, not by the possession of a mobile number. If you don't have permission to talk to the @username, you don't have a lead.

---

3. The 8Cs and the new Username Rule

When we apply the 8Cs of MCI, the BSUID fits directly into the Context and Consent pillars.

1. Identity: The Crachá de Contexto must now map whether the contact came via number or @username.
2. Tracking: Your RevOps needs to be able to merge these identities. If a customer talks to you via @username on WhatsApp and later fills out a form with a phone number, the CRM must recognize them as the same person.

---

4. What to change in your CRM and RevOps right now

If your CRM (HubSpot, Salesforce, PipeDrive) relies solely on the "Phone Number" field as a unique identifier, your operation will break.

Required adjustments:

• New Field: Create a custom field for "WhatsApp BSUID".
• Lead Matching: Configure your integration logic (via Hablla or other APIs) to prioritize the BSUID as the primary key for conversational interactions.
• Workflow Update: Lead enrichment flows should now seek the @username to initiate personalized approaches.

---

5. The Role of the Guardião do Ciclo

In this new era, the Guardião do Ciclo has a new mission: ensuring that the brand’s @username is consistent across all contact points.

If your company doesn't claim its official @username soon, scammers will. This is a matter of Conversation Score. Accounts with verified usernames will have higher deliverability and lower blocking rates.

---

6. Examples of Conversational Approaches with @Username

Wrong (The "Old" Way):

"Hi, I got your number from a list and I saw you're interested in..." (Result: Immediate block).

Right (The MCI Way):

"Hi [Name], I saw your interaction on @brand_name. I'm reaching out here via your username to continue our talk about..." (Result: Contextualized conversation and high conversion).

---

Conclusion: The Era of Privacy is the Era of MCI

The arrival of the BSUID and WhatsApp usernames is not a barrier; it is a filter. It separates professional operations that use Marketing Conversacional Integrado from amateur spammers.

At Pericoco Martech, we are already operationalizing this transition for our clients via Hablla, ensuring that the Bandeja de Contexto is always full of high-quality CQLs, regardless of whether the phone number is visible or not.

The question is: Is your CRM ready to stop asking for "numbers" and start managing "identities"?

---

By Marcus Barboza Founder of the MCI Methodology Operationalized by Hablla / Pericoco Martech

SEO Slug: whatsapp-username-bsuid-guide-mci-marketing