WhatsApp has been able to bridge together customers and businesses in a more effective way. And this has only gotten better as Meta has been releasing more diverse and impactful features to help businesses engage with customers better.

 

 

The most recent and promising feature is WhatsApp API voice call, and in this post, we’ll tell you all about it.

What is a WhatsApp Business API voice call?

WhatsApp Business API Voice Call is a feature that lets businesses make and receive voice calls from the WhatsApp platform, leveraging the WhatsApp Business API. This function can be very effective for improving customer service while giving businesses a more direct, interactive way to communicate and engage with their customers/prospects. 

 

There are some key advantages and benefits that make the WhatsApp Business API voice call feature an essential part of business communication:

• WhatsApp voice call feature eliminates the need to rely on external tools for voice calling.

• It offers an efficient way to handle sales communication.

• Enables providing hands-on and improved customer support.

• WhatsApp calls are secure, private, accessible and convenient.

• It enables centralized communication.

• WhatsApp Business calls are cost-effective.

4 ways to use WhatsApp Business API voice call

WhatsApp voice calls can be used for different purposes across different departments, offering an effective way of communication alongside messaging: 

1. Lead generation and nurturing

Customers often prefer speaking to a representative of the business, majorly when deciding on high-value purchases, getting a resolution for time-sensitive issues or in scenarios where private data is being shared. This human interaction can be effective in both generating and nurturing leads. Prospects can be better reassured about a service/product and guided through the purchase funnel via a call.

Learn: Way to generate leads from WhatsApp in 2025.

2. Sales and consultation

Voice calls provide businesses the opportunity to seamlessly engage in one-on-one sales consultations, which allows them to offer personalized product recommendations and address specific customer needs. Such a personalized approach can foster trust, create a rapport with customers and thus lead to higher conversion rates and closed business.

3. Order confirmations and verifications

WhatsApp voice calls can be used by businesses to confirm orders from customers, verify details, or share updates on delivery status etc. This can be effective in ensuring a reliable and accurate ordering process. Additionally, voice calls can be effectively used to share post-purchase follow-ups, feedback etc. which can greatly contribute to fostering customer loyalty and trust.

Learn: A practical guide to get more orders on WhatsApp with Interakt.

4. Customer support

Businesses can address customer queries and resolve issues in real time through WhatsApp Business API voice calls. This can complement your WhatsApp support messaging, as more complex queries can be handled via voice calls. This ensures faster problem-solving and with the more humanized interaction, enhances customer satisfaction.

Who can use WhatsApp Business API voice calls?

Currently, WhatsApp Business API voice calls can be used in Brazil, India, Mexico and Indonesia.

Businesses having an existing WhatsApp messaging use case with at least one sender can use voice calls to reach customers. 

 

The business needs to also be using an inbound calling use-case such as customer service escalations that need live voice interactions, complex marketing calls, or utility use-case calls.

Conclusion

WhatsApp Business API calls have made business communication with customers much more personal, efficient and highly impactful. It provides you with a way to go beyond simple messaging when the need arises, to handle communication in a more hands-on manner. You can leverage this feature to handle areas like customer support, lead generation, lead, nurturing, sales, authentication, marketing and more.

 

Thinking of starting with WhatsApp Business voice calls to build stronger relationships with your customers?