Yazhan Labs software

WhatsApp Approved Batch Assistant

A local Windows assistant for sending approved WhatsApp customer updates with PDF attachments, preview, queue controls, logs, and offline licence activation.

Version 1.0.0 Windows 10/11 Portable ZIP

Overview

Send customer updates through WhatsApp Web

WhatsApp Approved Batch Assistant helps businesses send regular customer updates through WhatsApp Web from a local Windows computer.

Import & Map

Import an approved CSV or VCF contact list, select a PDF, and write a personalized message using template variables.

Review & Preview

Preview every recipient's message and verify attachment details before launching the sending queue.

Full Batch Control

Start the batch manually and use queue controls (pause, resume, skip, or emergency stop) at any time.

Screenshots

See the Windows interface

Product interface in version 1.0.0.

WhatsApp Approved Batch Assistant main application screen Main application interface & queue controls
WhatsApp Approved Batch Assistant licence window Offline licence activation

Features

Main features

Import

CSV and VCF import

Import contacts from standard CSV or VCF formats with explicit consent verification.

PDF

PDF attachments

Select and send PDF documents to all recipients in the batch.

Personalization

Message templates

Personalize messages using contact name or custom fields in templates.

Queue Controls

Pause & stop

Pause, resume, skip, or trigger an emergency stop at any time during sending.

Reporting

Local logs

Review detailed local logs and export skipped or failed contacts easily.

Licensing

Offline activation

Activate lifetime licenses securely on offline or air-gapped computers.

How it works

Basic steps

  1. Download and extract the customer ZIP.
  2. Run Start WhatsApp Approved Batch Assistant.vbs or the EXE directly.
  3. Open Licence Details, copy the Request Code, send it to the seller, then paste the returned licence key.
  4. Import your CSV or VCF contact list and verify consent.
  5. Map message templates, select a PDF attachment, and preview the list.
  6. Set the delay interval and start the manual batch sending process.

Ensure all contacts have explicitly opted in to receive updates. Deletion or spam reports can lead to WhatsApp account restrictions.

Requirements

System requirements

Windows OS

64-bit Windows 10 or Windows 11.

Browser

Google Chrome or Microsoft Edge installed.

WhatsApp Account

An active WhatsApp account logged in on WhatsApp Web.

Local Web Server

Ability to run a local app and open localhost:3055 in your browser.

Download

Download WhatsApp Approved Batch Assistant v1.0.0

Download the official customer ZIP for Windows.

SHA-256 checksum for the ZIP:

d9a4fbcdfd831c9067882ce9df170b3c3a2c3b87e1654f503e378c78446a0c4f

Windows may show a SmartScreen warning because this release is self-signed. Only run the file if it came from this official Yazhan.net page and the checksum matches. Do not disable Windows security protections.

FAQ

Common questions

Is this the official WhatsApp Business API?

No. This is a local assistant that uses WhatsApp Web.

Does it run online on a server?

No. It runs locally on the Windows computer.

Can I import VCF contacts?

Yes. VCF import is supported with consent confirmation.

Can I use customers from multiple countries?

Yes. Use full international phone numbers with + or 00.

How do I activate?

Open Licence Details, copy the Request Code, send it to the seller, then paste the returned licence key.

How much does it cost?

Lifetime single-computer licence is USD $30. Contact support at [email protected] or WhatsApp/Telegram at +971 52 814 2733 to purchase.

Legal & Licensing

Agreement & Policies

Please review the licence terms, privacy policy, and disclaimer before downloading.

End-User Licence Agreement (EULA)

Licence

A purchased licence grants use of WhatsApp Approved Batch Assistant on one Windows computer for the licensed customer. The licence is lifetime for that single computer.

Restrictions

The user may not:

  • Resell the software package as their own product.
  • Share licence keys publicly.
  • Attempt to extract or misuse the owner private signing key.
  • Use the software for unsolicited messaging.
  • Use the software to bypass WhatsApp restrictions or workplace security policy.

Responsibility

The user is responsible for:

  • Importing only approved customer contacts.
  • Ensuring customer consent.
  • Reviewing messages before sending.
  • Following WhatsApp rules and applicable laws.
  • Protecting local customer data.

No Warranty

The software is provided as-is. WhatsApp Web changes, Windows policy settings, browser restrictions, or account restrictions may affect operation.

Privacy Notice

WhatsApp Approved Batch Assistant runs locally on the user's Windows computer.

The software may store these local files inside its folder or the current Windows user's local application data folder:

  • Uploaded contact files
  • Uploaded PDF attachments
  • Local batch logs
  • WhatsApp Web session data
  • Activated licence information
  • Protected local send-state data

The licensing system stores a one-way hashed machine request code. It does not store or upload the original hardware identifier.

The software must not store or upload passwords, cookies, session tokens, access tokens, authorization headers, private messages, or customer contact lists as part of licensing.

The user controls any files imported into the software and is responsible for handling customer data securely.

Disclaimer

WhatsApp Approved Batch Assistant is an independent local tool and is not affiliated with, endorsed by, or sponsored by WhatsApp, Meta, or their related companies.

The user is responsible for complying with WhatsApp rules, local laws, privacy requirements, customer consent requirements, and workplace computer policies.

Use the software only for customers who have agreed to receive business updates.

Stop sending immediately if WhatsApp displays an account, login, or sending warning.