Business Messaging
Announcing Launch of the WhatsApp Business Calling API
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July 15, 2025
Build an end-to-end journey on WhatsApp Business Platform with Calling
As one of the leading business messaging platforms, we are excited to announce the launch of the WhatsApp Business Calling API: a powerful new feature on the WhatsApp Business Platform that will allow businesses to create a true end-to-end messaging journey, where you can call and message a business all in the same WhatsApp thread.
Messaging businesses is a way of life around the world. However, there are times where a message just isn’t enough. With the WhatsApp Business Calling API, businesses have customized control over when and how to connect with their customers when voice is needed, driving significant value for consumers and businesses. Meet the needs for voice by building calls into your WhatsApp Business Platform messaging journeys today.
76% of consumers want the option to seamlessly switch between calling and messaging depending on their preference at the moment
Source: LivePerson, State of Customer Conversations 2024
How to use the WhatsApp Business Calling API
Lead conversion
Nurture leads more efficiently and convert them faster
Streamline your agent-driven sales processes for improved results
- Address urgent and high-consideration needs more effectively and personally on WhatsApp
- Build more confidence with your leads by calling on the trusted, secure WhatsApp Business Platform
- Expedite sales cycles with click-to-call capabilities
Customer support
Enhance your customer service experience
Provide an escalation channel for complex support use cases
- Create an immediate resolution path when unable to resolve an issue via message
- Better engagement and loyalty by keeping all context in a single thread on WhatsApp
- Faster issue resolution with seamless hand-off from messaging to voice
Key features
WhatsApp Business Calling can help you meet expectations for customers needs to speak with a business, with specific features to help you customize the right messaging experiences to best improve engagement and satisfaction on the WhatsApp Business Platform.
Make voice calling work the way you want it to with control and flexibility over the experience.
- User-initiated calls
Accept, reject, or terminate calls within WhatsApp. - Business-initiated calls
Request permission via WhatsApp to enable an outbound call. - Call icon visibility
Disable or enable the call icon to control the influx of calls. - Interactive call templates with time-to-live
Interactive messages with time-to-live to control to limit consumer initiated calls outside of appropriate window. - Click-to-call buttons
Interactive and template message types with calling button to prompt a call from a user. - Set business hours
Choose when customers can call you. - Call deep links
Embed call deep links on business websites/app/QR Codes or share directly with customers to prompt calls. - In-call dialer
User can navigate IVR with dial-pad or interactive template.
Success stories
See how real clients have achieved success with the WhatsApp Business Platform and hear firsthand from our developers about their experience integrating with the WhatsApp Business Calling API.
4x
Increase in conversion rates of loan offers
SĂŁo Paulo-based financial services firm Banco PAN shifted its customer service and sales agents to handle all loan conversations with customers end-to-end within WhatsApp. Native calls for more complex conversations live with customers has helped drive increases in loan offers and conversion rates.
26%
Higher conversion rate after implementing the feature
50%
Reduced average call time to make a sale
CartĂŁo de Todos, one of the largest private social discount programs in Brazil leveraged WhatsApp Business Calling to enhanced its telesales conversion rates and accelerated customer support resolution. Seamless integration allows sales reps to build trust and empowered agents to handle more complex issues faster and more personally.
22%
Improvement in Customer Satisfaction (CSAT) scores
50%
Increase in Net Promoter Scores
Diagnostic lab services provider Redcliffe Labs found that traditional public calling networks were often unreliable and led to unsatisfactory customer experiences. Redcliffe labs created a single thread solution for patients to receive all necessary support immediately in one place via messaging or phone call, without the need for separate applications or platforms, driving a better customer experience
Listen to what our developers have to share about their experience integrating with the WhatsApp Business Calling API:
Get started today
Find a partner
Get started with WhatsApp Business Calling with one of our Business Messaging partners.
Developer docs
Review our API documentation for how to get started with your integration today.