Mekari Qontak
Official WhatsApp API business partner

Leverage the full potential of your marketing with WhatsApp bulk sender

WhatsApp bulk sender offers the ultimate solution for promotions by sending bulk messages to thousand contacts at once.

  • Send personalized messages to many contacts at once
  • Automatically sends mass messages without saving contacts
  • Bulk WhatsApp reaches more customers in a short time
  • Increase interaction with customers by up to 80%
  • Safely send promotional messages to multiple contacts at one

More than 3,500+ companies in various industries use Mekari's solutions

Business challenges without Qontak's WhatsApp bulk sender


No reporting

Enhance customer relationships with WhatsApp bulk broadcast messages.


Unpersonalized message

Hard to tailor each customer with personalized messages.


Banned account

Avoid the risk of getting banned when sending bulk messages by utilizing the official WhatsApp API.


Struggle to send bulk messages

Not possible to send broadcast messages to multiple unsaved contacts in one go.

The WA bulk sender reaches more and more customers

Mass personalized messages to thousands of contacts can't be automated

Significantly enhance customer engagement

Significantly enhance customer engagement

  • Easily send messages to multiple numbers at once without the need to save the recipient numbers
  • Ensure timely responses to messages with the convenience of scheduled automatic replies
  • Gain insights about promotional activites and read rates of broadcast messages
Limited messages qoutas

Limited messages qoutas

  • Challenges in saving each contact to send multiple messages simultaneously
  • Lost dissapointed customers due to delayed response to messages
  • Lack of reporting and insights into promotional activity and read rates of broadcast messages

Streamlined messaging through the WhatsApp bulk sender

WA bulk sender strengthen connections with customers

Deepen customer relationship through broadcast messages sent by the WhatsApp bulk sender

The WA bulk sender helps build intimacy with customers

  • Leave lasting impressions and strengthen customer bonds
  • Use templates and keep your messaging on track in a single, powerful dashboard
  • Tailor and effortlessly apply template messages to fit business needs
The WA bulk sender helps build intimacy with customers

Disconnected from customers

  • Unable to send customized messages to customers
  • No templates available for streamlined broadcast messaging on WhatsApp
  • Broadcast message templates cannot be customized to fit specific business needs
Disconnected from customers

Connect with customers on a deeper level with WhatsApp Bulk

WhatsApp bulk sender provides meaningful insights to drive better results

Improve efficiency by applying easy and hassle-free customer satisfaction surveys

Gather direct customer feedback through WhatsApp Bulk sender

Gather direct customer feedback through WhatsApp Bulk sender

  • Get real-time customer feedback from each customers
  • Real-time reports on customer satisfaction indexes that are accurate and easy to understand
  • Transform customer satisfaction survey reports into valuable insights for business improvement
Hard to collect feedback

Hard to collect feedback

  • Unable to automatically send customer satisfaction surveys at the end of conversations
  • Lack of of real-time reporting on precise customer satisfaction index
  • Manual analysis of customer satisfaction survey reports is necessary for gaining valuable insights

Boost customer experience with WhatsApp bulk sender

What is WhatsApp bulk?

WhatsApp Bulk is a WhatsApp API feature that can send messages to multiple contacts simultaneously without the need to save individual numbers. The WA Bulk Sender feature does not limit the number of contacts that can receive the messages.

Therefore, the WhatsApp Bulk application is widely used by businesses for marketing purposes as it enables them to reach thousands of customers simultaneously. This approach is considered more effective compared to other marketing media.

1. Mekari Qontak

Mekari Qontak is the best Official Business Partner of WhatsApp API in Indonesia. One of its outstanding features is the bulk WA feature that can support your business marketing and customer service activities. This feature can send thousands of messages at once without worrying about being blocked.
Available versions: Web-based, Android, iOS

Developer: PT Qontak Tumbuh Makmur

Main features: Multiple Devices, Official Green Checkmark, Advanced Agent Routing System, WhatsApp Automation & Triggers, Comprehensive Reports and Analytics, Virtual Assistant Chatbot, and more.

2. Rapid Planner

Rapid Planner provides a bulk WhatsApp application that can send many messages at once. The Rapid Planner application has a user-friendly interface, is easy to understand, and there is no limit on the number of recipient contacts for broadcast messages.
Available versions: Web-based, Android, iOS

Developer: Invarion

Main features: WhatsApp marketing, Social media marketing, Mass messaging, User-friendly and easy-to-use interface

3. What-Sender

What-Sender offers a bulk WhatsApp application that is capable of sending thousands of WhatsApp messages at once. With just one click, mass messages can easily be sent from your personal or business WhatsApp account.
Available versions: Web-based

Developer: WhatSender

Main features: Simple and agile, sending images and attachments, History Saving, Detection of failed numbers, Import from XML or Excel, and Intelligent copy detection

4. Whappext

Whappext offers a bulk WhatsApp application solution with various advanced features that can enhance your marketing. With Whappext, you can easily send mass messages to millions of WhatsApp users.
Available versions: Web-based

Developer: Whappext

Main features: Auto Management Platform, Start Instantly, Data Security, Detailed Statistic, WhatsApp Numbers Filter, and Group Extractor

5. Whatso

Whatso provides a bulk WhatsApp application that is suitable for more efficient business marketing activities. This application is capable of sending promotional messages to many contacts at once.
Available versions: Mobile

Developer: Hani Alburayman

Main features: Send 1000’s of messages, custom messages, import multiple contacts, advanced features, supports all multimedia formats, and Windows support

A bulk application is a software used to send messages to multiple contacts simultaneously. Bulk WhatsApp is one of the features of the WhatsApp API with the function of mass messaging. The bulk application makes it easier for businesses, one of which is for customers to receive personalized messages.

Bulk message is a service that sends instant messages in large quantities to many contacts at once. That’s why this service is widely used by businesses to support marketing activities and prevent fraud.

Here are some benefits using WA bulk sender:

  • Capable of sending mass messages to multiple contacts at the same time
  • No need to save the numbers to be sent messages to
  • No limit on the number of numbers that can be sent messages to
  • Personalized message to meet business needs
  • Bulk messages can be sent at the same time
  • Message report or status, such as: sent, not sent, read, or unread
  • Streamline marketing efforts
  • The user will also receive other WhatsApp API features, such as bulk, auto-response via chatbot, can be used on multiple devices, and so on
  1. Register your business with the official WhatsApp Business Solution Provider
  2. Create a Facebook Business Manager account
  3. Verify your Facebook Business Manager account
  4. Submit the display name and number to be used
  5. Set up your WhatsApp Business API account
  6. The WhatsApp Bulk Sender (WhatsApp Business API) is ready to use!

Using an unofficial WA bulk sender can be highly dangerous. This is because these types of applications are typically created by third-party developers, rather than by WhatsApp. As a result, you may face several risks such as possibility of your device being blocked by WhatsApp and increase the vulnerability to hacking.

To avoid these potential risks, it is recommended to use official WhatsApp bulk or WhatsApp blast services offered by a WhatsApp API Official Business Partner or a WhatsApp Business Solution Partner. One such provider is Mekari Qontak.

The official Bulk WhatsApp application offers several benefits, including:

  1. WhatsApp green tick: a green check mark on the WhatsApp API account profile, which demonstrates business credibility and accountability to customer
  2. Multi agent and multi device support: multiple agents can access and use the application from various devices simultaneously
  3. Rotator: customer messages are automatically directed to service agents for prompt handling
  4. Chatbot: an AI-powered virtual robot that can respond to customer inquiries automatically
  5. WhatsApp integration: the ability to integrate WhatsApp with business support applications such as CRM, Omnichannel, and others
  6. WhatsApp link: a convenient short link that allows customers to contact a business with just one click
  7. Customer Satisfaction (CSAT) tracking: real-time monitoring of customer satisfaction levels, providing valuable insights into the business and customers
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