Zapext

Blog

Support

Professionalize your customer service.

Support

Transfer service on WhatsApp: how to do it without losing history

WhatsApp doesn't have a "transfer service" button — and forwarding a message or asking the customer to repeat everything is what makes the service seem amateurish.

Daniel Machado7 min
Support

WhatsApp group for customers: is it worth it? Risks and rules

WhatsApp group with customers can become a valuable community or a snowball of exposed data and public complaints. The real risks, the cases in which it works and how to use it without losing control.

Daniel Machado8 min
Support

Can a lawyer use WhatsApp to attract clients? OAB rules

Provision 205/2021 separates informative advertising from attracting prohibited customers — and on WhatsApp this depends on who sends the first message. What's safe, what to avoid, and why this summary does not replace guidance from your section.

Daniel Machado7 min
Support

WhatsApp service queue: how to set up step by step

Inbox sorted by last message — queue sorted by those who have been waiting the longest. How to set up yours with status tags and Kanban, with and without tools, and the metrics that reveal whether it works.

Daniel Machado7 min
Support

Automatic distribution of conversations on WhatsApp: how it works

Conversation without an owner is a customer without an answer. Rotation (round-robin) or open queue? The two distribution models compared without fuss — and the rules of justice that no draw resolves alone.

Daniel Machado7 min
Support

DDI on WhatsApp: how to save and call international number

Number from the USA, Portugal or Argentina that is "not on WhatsApp"? It's almost always format. The E.164 standard explained, the DDI table and the wa.me link that solves it without even saving the contact.

Daniel Machado7 min
Support

Away message on WhatsApp: 30 templates per scenario

Confirm receipt, give a specific deadline and offer an alternative: the anatomy of the out-of-office message that keeps the customer in line — and 30 ready-made models by scenario and niche to copy today.

Daniel Machado7 min
Support

Is WhatsApp Business paid? The app is free — see what it costs

The app is free and remains free — the account reaches other layers. The table of WhatsApp Business's 3 cost tiers: free app, extensions with fixed subscription and API paid per message, with the criteria to choose yours.

Daniel Machado7 min
Support

WhatsApp Business on two cell phones: how to use the same number

Same number on two cell phones, without a new chip: the step-by-step guide to linking via QR code, what the second device doesn't do and the exact moment when two cell phones are no longer enough for the team.

Daniel Machado7 min
Support

WhatsApp banned: what to do to recover your account

Temporary ban has a timer; permanent has recourse. The official step-by-step recovery guide, realistic deadlines and plan B so the care doesn't stop.

Daniel Machado8 min
Support

How to organize support on WhatsApp: method in 7 steps

Inbox full and customer unresponsive? 7-step method for organizing service on WhatsApp — from WhatsApp Web to weekly metrics, deployable in one week.

Daniel Machado8 min
Support

Multiple agents on the same WhatsApp: the 3 ways that work

One number, entire team serving: the 3 ways to do this — free, with an extension or via the official API — compared honestly, and the simple criteria for choosing yours.

Daniel Machado8 min
Support

How to know if a number has WhatsApp: 3 ways to check

You can find out if a number has WhatsApp without sending a message — but each method has a catch. The wa.me test, the free format validator and the calendar check, step by step.

Daniel Machado7 min
Support

45 ready-made phrases for WhatsApp support (by situation)

Bank of 45 tested phrases for each moment of service — from greeting to after-sales. Standardize team tone without sounding robotic.

Daniel Machado9 min
Support

WhatsApp Business vs normal WhatsApp: differences and which one to use

Catalog, labels, automatic messaging: what Business has that normal doesn't — and what neither solves when the company grows.

Daniel Machado7 min
Support

WhatsApp Web doesn't connect? 9 solutions (from basic to advanced)

WhatsApp Web troubleshooting checklist: from 10-second solutions to hidden causes (cache, VPN, outdated multi-device).

Daniel Machado6 min
Support

Welcome message for WhatsApp: 15 ready-made examples

The first message defines the entire conversation. 15 ready-made examples per segment + welcome anatomy that converts + automatic configuration.

Daniel Machado7 min
Support

How to use WhatsApp Business: complete setup guide

From download to the first professional service: complete configuration of WhatsApp Business, feature by feature, with what to do and what to avoid in each one.

Daniel Machado9 min
Support

Two WhatsApps on the same cell phone: 4 safe ways (2026)

Personal and business number on the same device without workarounds: the 4 ways that work, which one is safe and when the real problem is different (team on a single number).

Daniel Machado6 min
Support

Satisfaction survey via WhatsApp: NPS, CSAT and models

Email survey response rate is a joke; on WhatsApp she chats. NPS vs CSAT, ready-made models and the flow of those who respond with low scores.

Daniel Machado7 min
Support

Appointment reminder via WhatsApp: reduce absences (templates)

An empty chair is a direct loss. The WhatsApp reminder rule that clinics, salons and offices use to eliminate no-shows — with ready-made templates.

Daniel Machado7 min
Support

How to export WhatsApp contacts (4 methods + spreadsheet)

Your contact base is WhatsApp's most valuable asset — and it shouldn't be stuck on the device. 4 export methods + rules for using the list.

Daniel Machado6 min
Support

Service metrics on WhatsApp: the 8 that matter

Without a number, WhatsApp management is a guess. The 8 metrics that matter, the benchmark goals by stage, and the 30-minute weekly ritual for using them.

Daniel Machado8 min
Support

Groups or Communities on WhatsApp: what to use in the company

Group of clients can be gold or a headache — it depends on the format and rules. Complete comparison: groups, Communities, channels and broadcast.

Daniel Machado7 min
Support

Tags on WhatsApp: how to organize customers in 2026

WhatsApp Business has just 20 tags and zero automatic filters. This guide shows you how to get past that, with unlimited tags, behavioral targeting and Kanban within WhatsApp Web.

Daniel Machado7 min
Support

10 advanced WhatsApp Web tips you don't know

Anyone who uses WhatsApp Web 6+ hours a day needs to know these tricks. They speed up the time spent exchanging messages and managing conversations by up to 40%.

Daniel Machado6 min