Free WhatsApp API for Developers

Send real time messages to your customers from your own number through the powerful WhatsApp API.

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Grow your Business with Official WhatsApp API

Growby is an approved Meta Tech Partner for WhatsApp messaging and a leading provider of the free WhatsApp API. At Growby, we understand the significance of seamless integration, especially when it comes to connecting with your audience and so we provide you with a direct Meta Postman collection.

Since Growby is a Meta Tech Partner, you can signup now and link your WhatsApp number through our simple onboarding flow.

Once your number is linked, you will get access to the:

  1. WhatsApp Business Account ID
  2. Phone Number ID
  3. Permanent Access Token

We provide direct WhatsApp official API, including access to the WhatsApp API free powered by the Meta Postman collection. Hence our platform ensures that businesses can integrate their systems and applications with WhatsApp marketing software securely and efficiently.

The official WhatsApp API provided by Growby not only ensures authenticity but also guarantees optimum performance. With this, businesses can automate responses, manage customer queries, and even streamline their sales process directly through WhatsApp, all by utilizing the free WhatsApp API.

How to get access to the WhatsApp API:

  1. Create Account: Create your free account on Growby.
  2. Link WhatsApp: You will be redirected to the Dashboard after account creation. Link your WhatsApp number by following instructions in this tutorial.
  3. API Credentials: Get your free API credentials by navigating to the API Credentials page after login to Growby.
  4. Postman Collection: Check out the Postman APIs Suite for complete list of API options.
  5. Support: Email your questions on for any added functionality or talk to us on the number mentioned in the footer of the page.

Try out WhatsApp API for Free!

Experience demo of the WhatsApp API! Want to test out our free WhatsApp API? Enter a valid mobile number and select the correct country code and hit the send button. Voila! Your message is successfully sent.


Secured communication

Easy to Integrate

JSON Response

Just enter a valid mobile number and select the correct country code and hit the send button.

WhatsApp API Integration

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Account Setup

Sign Up for a free account to get your API username and password. By using the WhatsApp API free, you can link your WhatsApp Business Account (WABA) to send messages from your number.

Free Sign Up
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Integrate API

Connect with our free WhatsApp API using the integration guide & documentation mentioned below. You get free messages to try out.

Integration Guide
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Upgrade Account

Upgrade your account to to send unlimited messages.

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Official WhatsApp API Integration Guide

1. Get your Username & Password

Sign up for free account to get your Username & Password. Upgrade to Official Cloud API to send message to 1000 contacts/day.

2. Prepare Request


Note: this is a GET request. You can call like below

url with parameters: username=AAA1111AAA678AAA988xxxxxxxxxxxxx&password=AAA2345AAA678AAA988xxxxxxxxxxxxx&from=9190xxxxxxxx&to=91886xxxxxxx&name=order_notification_7&langcode=en_US&variables=hello:@:worldhello&mediaurl=https :// buttonindex=0

3. Parameters

username *
Your 32-character username. Sign up or login to and get your API username.
password *
Your 32-character password. Sign up or login to and get your password.
from number *
Enter your link WhatsApp business mobile number or our default number(919016243183), number Do not include ‘+’ symbol.
to number *
Enter the recipient's WhatsApp number with country code and mobile number Do not include ‘+’ symbol.
template name *
Enter the template name or use our default template name(hello_world or demo_1).
language code *
Enter the template language code or use our default template language code(en_US).
template variables
Enter variables if the template has any variables and those variables are necessary(multiple variables pass by :@: this separator){Optional Parameter}.
Enter the source URL if the template has any media like(image, video, or document). Our sample URL is({Optional Parameter}
Enter the media type in text format if the template has any media. Value like(image, video, or document){Optional Parameter}.
Enter the source URL if the template has any visit us dynamic link button. Our sample URL is({Optional Parameter}.
Enter the button index number if there is any visit us dynamic link button in the template. Value like(0,1,2){Optional Parameter}.

4. Response


"responsecode ": "200", 
"api_status": "stable" 
"response": "success" 
"message": "success"
"messageid": "101xxxx",  

5. Sample code snippet

What does WhatsApp API mean?

The WhatsApp Official API enables developers and businesses to incorporate WhatsApp messaging into their applications or websites, facilitating the use of WhatsApp for customer service, notifications, and various other communication purposes.

Through this, the users gain access to WhatsApp's messaging features, including the capability to send and receive text messages, images, videos, and other media. Additionally, the free WhatsApp API offers functionalities such as message templates, analytics, and automated responses using the WhatsApp API free.

How to get WhatsApp API?

To get the free WhatsApp API, you need to have a set of documents ready before you can apply for an official WhatsApp API. Growby, as an official WhatsApp Tech Provider, offers you the convenience of using our embedded signup flow to get started quickly with the WhatsApp API free:

The list of documents are listed below:

  1. Email
  2. Live Website URL
  3. Facebook Account
  4. A Mobile number which has never been registered for WhatsApp
  5. Company formation document available in your country
  6. Company address proof documents such as tax certificate etc.

How much does WhatsApp API cost?

While using Growby’s WhatsApp Marketing Software, you need to pay WhatsApp conversation charges for business and user initiated conversations that varies from country wise.

Business initiated rate : 0.73 paise/ message
User initiated: 0.29 paise/ message

Note: This is the price for India. We have provided the country wise price rate in USD and INR.

What are the Benefits of WhatsApp Business API?

Using the free WhatsApp API can be beneficial to a business in lots of ways. Some of them are listed below.

Helps in building a strong brand identity

Building strong trust with customers is one of the most important aspects of any business. This can be easily achieved by the trusted green tick in WhatsApp for your business using the WhatsApp cloud API. This increases your brand's reliability.

Increase your sales drastically

Using the WhatsApp API free, helps you make more personalized messages and target customers based on your strategies more easily.

Is WhatsApp API integration possible with CRM Systems? and how is it beneficial? Can I integrate any other technology system with Growby API?

Yes, with Growby’s WhatsApp marketing tool, you can easily integrate WhatsApp API with any system or any CRM system.

  1. Register and obtain approval: You need to register with the WhatsApp Business API and obtain approval to use the API.
  2. Choose a CRM system: You need to select a CRM system that supports WhatsApp API integration. Many CRM systems offer plugins or integrations for WhatsApp API, such as Salesforce, HubSpot, Zoho, and Freshdesk.
  3. Configure the integration: Follow the instructions provided by your CRM system to configure the integration with the WhatsApp API. You will need to provide your WhatsApp Business account details, such as the phone number and API token.
  4. Set up automated messages: You can use the WhatsApp API to set up automated messages, such as welcome messages, order confirmations, or appointment reminders. You can create templates for these messages in your CRM system and use them to trigger automated messages when certain events occur, such as a new lead or a completed transaction.
  5. Manage conversations: With the integration, you can manage conversations with your customers directly from your CRM system. You can view and respond to messages, assign tasks to team members, and track customer interactions.

Overall, integrating WhatsApp cloud API with your CRM can help you provide better customer service, improve communication efficiency, and increase customer engagement.

WhatsApp marketing, automation, and notifications is a completely new way to get in touch with your customers and so understanding the nuances of WhatsApp API is extremely crucial. The WhatsApp Developer API can vastly enhance your existing applications to connect with your customers. Furthermore, Growby provides a completely free WhatsApp API access to you to build tailored solutions as per your use-cases.

What is WhatsApp API?

WhatsApp has primarily 3 products.

  1. The normal WhatsApp app
  2. WhatsApp business App, that small businesses uses
  3. WhatsApp API

In very simple words, an API (Application Programming Interface) is a building block through which you can perform several actions. WhatsApp API allows businesses to send and receive messages programmatically, enabling automated communication with customers on one of the world's most popular messaging apps. However, the question of cost often comes up, leading many to wonder about the availability of a Free WhatsApp API.

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WhatsAppTM Business API FAQ's

How much does WhatsApp API cost India?

The WhatsApp API cost in India is divided into two broad categories. The first is user-initiated messaging charges, which are taken by WhatsApp when any user sends a message to your WhatsApp business number. It means that on WhatsApp, incoming messages are also chargeable.

The other category is business-initiated messaging charges, where WhatsApp charges a certain amount depending on the destination country of the user. The sample price for the IND region is as below.

The Business API price in India is as follows:

  1. For User initiated conversation : Rs 0.29/message
  2. For Business initiated conversation : Rs 0.73/message
Is there an API for WhatsApp?

Yes, WhatsApp provides an API to send and receive WhatsApp messages. These APIs can be used to broadcast bulk messages, create chatbots, and create automations. The set of APIs provided by WhatsApp are complicated, and onboarding is also challenging; hence, it is advisable to use a platform like Growby, which makes the onboarding process very simple and gives you access to the API in a day.

Can I send a message from my own number?

Yes, you can send a message from your WhatsApp number using the WhatsApp API. Check out our above Postman collection for more details.

How to send multi-line text messages using API?

The message you want to send via the API needs to be encoded (encodeURIComponent). When you encode a new line, it is translated to '%0A'. This is how you will be able to accommodate different types of characters in the WhatsApp message.

What is a WhatsApp API?

WhatsApp has three different products:

  1. Normal WhatsApp App
  2. WhatsApp Business App for small merchants
  3. WhatsApp Official API for businesses

The WhatsApp API for business is used when a business wants to send hundreds of messages and implement some kind of automation. However, an API is just a building block and so cannot be used directly by a normal user. In order to use the API, a platform must be created to fully utilize it. Growby is a platform built on top of the WhatsApp API, so that you can start using WhatsApp business messaging and create automation as per your business needs.

How does the WhatsApp API work?

The WhatsApp API works by providing a bridge between your business's platform and the WhatsApp network. It allows businesses to send and receive messages on the WhatsApp platform using automated systems, making communication with customers more streamlined and efficient. Using Growby’s marketing software, it enables businesses to manage their chats, broadcast messages, and access customer information all in one place. By integrating the API, businesses can provide a more streamlined and efficient communication channel for customers, helping to improve customer experience and satisfaction.

What are the benefits of using a WhatsApp API for my business?

  1. Bulk WhatsApp messaging
  2. Improved customer experience
  3. Increased reach
  4. Automated communication
  5. Increased efficiency
  6. Better data insights
  7. Time saving
Growby Marketing software is powered by WhatsApp cloud API, which provides these benefits very easily.

Is WhatsApp API secure for business communication?

Yes, the WhatsApp API is secure for business communication. It uses encryption to protect the data exchanged between the API and WhatsApp's servers, ensuring that the information remains confidential. So using our WhatsApp Marketing tool ensures the security and privacy of user data.

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