Electronics
Fashion & Apparel
Furniture
Jewelry and Watches
Afterschool Activities
Sport & Fitness
Beauty Center
Dental Clinic
Medical Clinic
Home Cleaning & Maid Services
Photography & Videography
Car Dealership
Travel Agency & Tour Operator
WhatsApp Business Calling API for High-Volume B2C Voice Support
Answer and make WhatsApp voice calls in the same inbox as your chats, with no markup on Meta's per-minute rates
Respond.io WhatsApp Business Calling API Capabilities
- Answer incoming WhatsApp calls from customers directly in your respond.io inbox
- Make outbound calls to contacts using your business's WhatsApp number
- Track call volume, duration and other activity metrics for every agent and team
- Disable calls for specific agents, or allow only outbound calls, without changing their other workspace access
- Record and review calls for quality assurance, training and compliance
- Transfer ongoing calls to the right agent or team, including live handoffs from Voice AI Agents, without disrupting the customer experience
- Generate clear AI call summaries to reduce manual note-taking and help teams act on what was discussed
- Send call data to external systems via webhook triggers — completed-call payloads include recording, transcript and summary, ready to sync with your CRM, trigger workflows or log for compliance
Why use respond.io for WhatsApp Business Calling API
The WhatsApp Business Calling API only connects a verified WhatsApp Business account to a WhatsApp user — Meta doesn't allow it to dial regular phone numbers. If you need to reach contacts who aren't on WhatsApp, or call in a country where WhatsApp Calling isn't supported, use respond.io's VoIP Calls instead, so your team isn't switching tools mid-conversation.
- Meta Premier Partner, with early access to new Meta features like this Calling API ahead of general release
- No setup fees or markups on Meta's per-minute call rates — pay only what Meta charges
- Calls and chats live in the same conversation thread, with full history for every agent
- Enterprise-grade reliability with 99.999% uptime, ISO 27001, GDPR compliance and role-based access controls
FAQs about WhatsApp Business Calling API integration
How is WhatsApp Business Calling API different from regular WhatsApp calls?
Personal WhatsApp accounts have always supported free voice calls; WhatsApp Business API accounts couldn't until Meta introduced this API. Incoming calls stay free for both sides. Outbound calls are billed per minute by destination, and because they run through the API, they connect to the CRM, automation and reporting tools a personal WhatsApp call can't.
Can I use WhatsApp Business Calling API to call any phone number?
No. It only connects a verified WhatsApp Business account to a WhatsApp user; Meta doesn't allow it to dial regular phone numbers. To reach contacts who aren't on WhatsApp, use respond.io's VoIP Calls instead, so agents handle both call types from the same inbox.
How much does WhatsApp Business Calling API cost?
Incoming calls are free for both the business and the customer. Outbound calls are billed per minute at Meta's rate for the destination country. Respond.io adds no setup fees or markups on top of what Meta charges.
