Mekari Qontak
Official WhatsApp Business Platform API

Drive revenue and improve engagement with trusted and scalable WhatsApp API

WhatsApp Business API enables businesses to build better customer experiences with seamlessly integrated applications.

  • Send one-way WhatsApp messages with API for OTPs or promotions
  • Serve with personalized messages on WhatsApp and other channels
  • Seamlessly integrate WhatsApp API to your own platforms
  • Increase customer trust with WhatsApp’s official green tick badge
WhatsApp API

Trusted by 35,000+ business worldwide of all sizes

Enhance your customer engagement on a reliable platform for better higher revenues


More than 1 billion

people message with a business each week on WhatsApp worldwide.



of online adults in worldwide message with a business at least once a week.



of adults want to communicate with businesses in the same way they do with friends/family.

Mekari Qontak WhatsApp API solutions to meet all of your customer engagement needs

Enable end-to-end conversational marketing, sales, and support experiences on WhatsApp by designing and deploying use cases through a unified platform

See all features

Build a powerful customer trusts with the verified green tick badge

  • Proving legal business registration with official documents
  • Building a well-known and reputable business brand
  • Increased credibility for your business
Official Green Tick

Reach a broader & wider audience instantly with WhatsApp blast

  • Send out unlimited broadcast messages at once without saving contacts
  • Build intimacy with personalized and scheduled messages
  • With the official WhatsApp API, send messages safely without getting banned
Unlimited Blast Message

Enhance customer service and sales with leading AI chatbot technology

  • Easy chatbot implementation, drag & drop settings with no coding required
  • Provide customers with convenient, personalized, and timely assistance on all channels
  • Automate CS and reduce operational costs using a conversational virtual assistant
AI Chatbot

Maximize engagement with personalized & necessary messages

  • Integrate to your own app and send OTPs in a timely manner
  • Increase customer loyalty with birthday messages & promotions
  • Create automated status update messages for deliveries & orders
Automation & OTP

Ensures efficient customer support to enhance customer satisfaction and experience

  • Automating the process of completing customer tickets
  • Streamlining the customer service process
  • Implementing an advanced agent routing system
Ticketing System

Meet your customers any where they like in one platform

Integrate WhatsApp Business API to your platform in seconds

Scale communications and enhance engagement to unlock new growth opportunities with WhatsApp API flexible to all developers

  • Access detailed API documentation
  • Various programming languages
  • Create custom message templates
const url = '';
const options = {method: 'GET', headers: {Authorization: 'Bearer {{access_token}}'}};

try {
  const response = await fetch(url, options);
  const data = await response.json();
} catch (error) {
import http.client

conn = http.client.HTTPSConnection("")

headers = { 'Authorization': "Bearer {{access_token}}" }

conn.request("GET", "/api/open/v1/templates/whatsapp", headers=headers)

res = conn.getresponse()
data =

using System.Net.Http.Headers;
var client = new HttpClient();
var request = new HttpRequestMessage
    Method = HttpMethod.Get,
    RequestUri = new Uri(""),
    Headers =
        { "Authorization", "Bearer {{access_token}}" },
using (var response = await client.SendAsync(request))
    var body = await response.Content.ReadAsStringAsync();
AsyncHttpClient client = new DefaultAsyncHttpClient();
client.prepare("GET", "")
  .setHeader("Authorization", "Bearer {{access_token}}")

    "Authorization: Bearer {{access_token}}"

$response = curl_exec($curl);
$err = curl_error($curl);


if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;

“With Qontak we can provide information quickly for incoming inquiries related to our programs.“

Jay Arief RahmanDigital Marketing Manager - IALF

3x growth in class registrants

Read case study

“Qontak chatbot really helps our team in answering common questions, it can reduce our fatigue in answering questions outside of operating hours. So that our service is always on 24/7.”

PritaHead of Talent Search and Admission - UGM

2x faster admin response time

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“By using Qontak’s multiple WhatsApp agents, we can solve and help Selleri users if they have problems or questions, without the need to increase costs at manpower.”

Najmuddin HuseinCo-Founder - Selleri

25% increase on monthly active users

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Frequently Asked Questions (FAQ)

How does the WhatsApp Business API work?

The WhatsApp Business API works by either working directly with a WhatsApp Business Solution Providers (BSP) who will set up an integrated API solution with a software offering or directly integrating the WhatsApp API with a technology stack.

One reason why a business might work with a WhatsApp BSP is to enable software features like the use of WhatsApp for multiple agents on several devices. Customers can also receive quicker responses, supported by automated messages by virtual assistants on a WhatsApp chatbot app.

What are the benefits of WhatsApp API?

  • Handle an unlimited number of customers with just one WhatsApp number
  • Serve customers 24 hours, non-stop
  • Let AI chatbots automate repetitive conversations and problem resolutions
  • Obtain comprehensive reporting dashboards to monitor sales and customer service on WhatsApp
  • Able to be integrated with CRM software to increase customer service experience
  • Improve customer service performance to be quicker and more efficient
  • Build customer loyalty with the green checkmark credibility feature
  • Send unlimited broadcast messages at once to thousands of contacts with WhatsApp blast
  • Save on operational costs with an affordable and automated WhatsApp solution
  • Equipped with end-to-end data encryption to ensure the confidentiality of WhatsApp users

The WhatsApp API allows businesses to integrate WhatsApp messaging into their applications, systems, or customer support platforms.

It enables businesses to send automated messages and notifications and provide customer support through WhatsApp, leveraging the platform’s wide user base and messaging capabilities.

WhatsApp Business is a standalone application designed for small businesses to communicate with their customers using WhatsApp. It provides features like a business profile, quick replies, labels, and messaging statistics.

On the other hand, WhatsApp Business API is a more advanced solution that allows businesses to integrate WhatsApp messaging into their systems or applications such Omnichannel and CRM using the API. It offers more flexibility and customization options, catering to larger businesses with specific integration requirements.

No, WhatsApp API is not free. Businesses must pay WhatsApp Business Partner fees and pricing costs based on their WhatsApp conversations to send and receive messages through the WhatsApp API.

WA API prices differ depending on business initiation and user or customer initiation.

User initiation (BIC) fee of IDR 271 per message in one chat session (24 hours) for Indonesian numbers. Meanwhile, Business initiation conversion is charged Rp465 per message for the same conditions.

Learn more about WA API pricing here.

Sending WhatsApp campaigns typically requires the use of the WhatsApp API. The API allows businesses to send automated messages and campaigns to their customers on WhatsApp, ensuring compliance with WhatsApp’s policies and guidelines.

With the API, businesses would have the tools and access to send bulk messages or campaigns through WhatsApp.

WhatsApp API is only available to medium and large businesses. So, WhatsApp business API is also called “WhatsApp Enterprise”.

For small businesses, getting approval is nearly impossible. They can use the free WhatsApp Business Application and use several features, such as sending instant messages (non-interactive messages)

WhatsApp WhatsApp Sales