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Official Meta Cloud API Partner

WhatsApp Calling API for Business Voice Support

Let customers call your business directly from WhatsApp. CampaigningTool is an official Meta Cloud API partner, so you can use Meta's WhatsApp Calling feature from your CampaigningTool portal, with every call linked to the customer's chat history.

No credit card needed · Official Meta Cloud API
WhatsApp call shown next to chat history in the CampaigningTool portal
Core Voice Features

Voice Calling Inside WhatsApp

Connect with your customers by voice directly inside their active WhatsApp conversation window.

Calls from the Chat

Customers tap the call button in WhatsApp and reach your business, with no phone number to dial.

One Portal for Chats and Calls

Your team sees the call next to the chat history, so agents know the customer's context before they answer.

Official Meta Cloud API

Calling runs on Meta's own infrastructure through an official partner, not an unofficial tool.

Calling Flow

How WhatsApp Business Calling Works

Four easy steps to enable seamless voice communication with your customers.

Step 1

Connect number

Connect your WhatsApp Business number through CampaigningTool.

Step 2

Enable calling

Enable calling for your number (Meta's requirements apply).

Step 3

Customer taps call

Customer taps the call button in your WhatsApp chat.

Step 4

Answer in portal

Your team answers from the portal, and the call is saved with the chat.

WhatsApp Business Calling flow from customer tap to agent in the CampaigningTool portal
Meta Compliance

WhatsApp Calling Requirements and Limits

WhatsApp Calling is a Meta feature, so Meta's rules apply. You need a verified WhatsApp Business number, and calling is not available in every country. For calls you start, the customer must give permission first. Meta may charge per call minute. Check Meta's current documentation or talk to our team to see whether your number and country qualify.

See our WhatsApp API requirements page for complete number setup guidelines.
Voice Scenarios

Where WhatsApp Calling Helps

High-value business scenarios where switching from text chat to live voice resolves inquiries faster.

Customer Support

Let customers move from chat to a call when a problem is hard to type out.

Team Inbox Routing

Sales and Enquiries

Let a lead call straight from your ad or catalog chat to close sales faster.

WhatsApp Business API

Appointments and Bookings

Confirm or reschedule consultations, campus tours, and site visits by voice.

AI Appointment Agent

Healthcare, Finance & Real Estate

Dedicated workflows for high-touch customer consultation across regulated sectors.

Healthcare · Finance · Real Estate · Enterprise
Clear Answers

WhatsApp Calling: Frequently Asked Questions

Common questions about Meta's WhatsApp Calling API, permissions, and portal setup.

It is a Meta feature that lets customers call a business from WhatsApp, and lets the business answer from software. CampaigningTool offers it as a Meta Cloud API partner.

Calling is provided by Meta. CampaigningTool connects your WhatsApp Business number to it and lets your team handle calls from the portal.

Yes, you can enable it from your dashboard. Contact our team for onboarding and early access.

No. Customers can call you, but for calls you start, the customer must give permission. Calling is not available in every country, and Meta sets its own limits and charges.

Customers call through WhatsApp, so they don't dial a regular number. Your team answers directly in the CampaigningTool portal.

Yes, call activity appears next to the customer's chat in your CampaigningTool portal.

Often yes, if it meets Meta's requirements. Learn how to use your existing number on the WhatsApp API.

WhatsApp Business calling charges are set by Meta, while text follow-up templates are billed by Meta by category. See the pricing page for current plans.

Have questions about WhatsApp calling? Talk to our team to discuss your business voice requirements.
Official WhatsApp Business API

Start Answering WhatsApp Calls with CampaigningTool

Enable WhatsApp voice calling for your business on the official Meta Cloud API. Try CampaigningTool free for 7 days with no credit card required.

No credit card needed
Quick WhatsApp API setup
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