WhatsApp Business Calling API: Voice Calls Explained (2026)
The WhatsApp Business Calling API brings voice calls to the WhatsApp Business platform, so customers and businesses can talk on the same channel they already message on, without phone numbers, IVRs or extra apps.
A WhatsApp business voice call, handled on the channel customers already use.
What the Calling API is
It lets a business receive and place voice calls inside WhatsApp. A customer can tap to call from a chat, or a business can call them with consent, all over the internet on WhatsApp.
How it works
- Enable calling on your WhatsApp Business number.
- Customers call you from the chat, or you call them with permission.
- Calls are routed to your team or to a voice AI agent.
Where calling helps
- Escalating a complex support chat to a quick call
- High-value sales conversations
- Verification and onboarding calls
- Reaching customers who prefer to talk
Voice AI with kwiqreply
kwiqreply pairs WhatsApp calling with voice AI agents that can handle calls automatically, with a human stepping in when needed, alongside your shared inbox.
See kwiqreply for yourself
kwiqreply is a WhatsApp Business API platform and CRM built on the official WhatsApp Business API, with a shared inbox, automation, AI agents and transparent pricing. Start free or book a walkthrough.
Start free trial Book a demoFrequently asked questions
Can businesses make voice calls on WhatsApp?
Yes. The WhatsApp Business Calling API lets businesses receive and place voice calls inside WhatsApp, with customer consent for outbound calls.
Do customers need anything special to call a business?
No, just the WhatsApp app they already use. They can tap to call from the chat.
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