Skip to main content

​
Overview

Callkaro provides 3 WhatsApp integrations:
  1. WhatsApp (Facebook) - Direct Meta integration
  2. Heltar - Third-party WhatsApp provider
  3. AI Sensy - Third-party WhatsApp provider
This guide covers WhatsApp (Facebook) signup and connection.

​
Signup Process

1

Navigate to Signup Page

Go to Dashboard → WhatsApp → SignupOr visit: https://callkaro.ai/dashboard/whatsapp/signup
2

Choose Signup Method

Option 1: Contact Callkaro Support to enable WhatsAppOption 2: Click “Continue with Facebook” to connect your Meta account
3

Set Up Business Information

In the Facebook popup:
  • Enter your Business Name
  • Fill in required business details
  • Confirm and proceed
4

Add Phone Number

Choose phone number method:Option A: Use Your Own Number
  • Must NOT be connected to WhatsApp yet
  • Will receive OTP via SMS/Call
Option B: Use Callkaro Phone Number
  1. Purchase a phone number
  2. Create a new agent
  3. Set the purchased number as inbound number for that agent
  4. Use this number during signup
  5. Receive OTP via phone call to the agent
  6. Wait for call recording in Call Details
  7. Listen to call recording to get OTP
5

Enter OTP

  • Enter the 6-digit OTP received
  • Complete verification
6

Complete Signup

Follow remaining setup steps in Facebook flow
Important: The WhatsApp Business Account you connect must NOT be connected to any other Callkaro account. Each WABA can only link to one Callkaro account.

​
Phone Number Options

​
Option 1: Your Own Phone Number

Requirements:
  • Phone number NOT registered on regular WhatsApp
  • Active SIM with network
  • Ability to receive SMS/calls
When to Use:
  • Quick testing
  • You have a spare number
  • Don’t want to purchase Callkaro number

​
Option 2: Callkaro Phone Number

Steps:
  1. Buy phone number from Phone Numbers
  2. Create agent: Agents → Create New Agent
  3. Configure agent’s inbound number as the purchased number
  4. Use this number during WhatsApp signup
  5. OTP will call your agent
  6. Check Call History for the recording
  7. Listen to recording to hear the OTP
  8. Enter OTP in signup form
When to Use:
  • You don’t have a spare personal number
  • Need dedicated business number
  • Want better control
Call recordings typically appear within 4-5 minutes after the OTP call.

​
Post-Signup Requirements

​
To Send Messages

Your account must have:
  • ✅ Payment method added (Card + GST details)
  • ✅ Business verification completed
How to Add:
  1. Go to business.facebook.com
  2. Choose your App
  3. Settings → Business Settings → WhatsApp Accounts
  4. Select your WhatsApp Account
  5. Scroll to “Verify Business” and complete
Payment method and business verification are required before you can create templates and send messages at scale.

​
To Receive Messages

Click the “Subscribe” button on the WhatsApp page to enable inbound messages. Steps:
  1. Go to Dashboard → WhatsApp
  2. If connected, you’ll see “Subscribe” button
  3. Click to activate inbound message receiving
  4. Status changes to ✅ Subscribed

​
Verification Checklist

After signup, verify your setup:
  • ✅ WABA ID displayed on WhatsApp page
  • ✅ Account name showing correctly
  • ✅ WhatsApp enabled indicator
Go to Phone Numbers page:
  • Check provider_type column
  • Should show CLOUD_API
  • If not, click “Verify” in Actions column
  • Click “Subscribe” button
  • Confirm subscription status: ✅ Subscribed
In Meta Business Manager:
  • Add payment method (Card + GST)
  • Complete business verification
  • Wait for approval

​
Next Steps

Create Templates

Learn how to create WhatsApp message templates (Coming soon)

Phone Numbers

Manage your WhatsApp phone numbers (Coming soon)

Heltar Integration

Alternative WhatsApp provider

AI Sensy Integration

Another WhatsApp provider option

​
Troubleshooting

Check:
  • SIM has active network
  • Number not in regular WhatsApp
  • Wait 4-5 minutes and retry
For Callkaro numbers:
  • Verify agent is set up correctly
  • Check inbound number configured
  • Look in Call History for recording
Issue: Number already connected to WhatsApp BusinessSolution:
  • Use a different number
  • Or migrate existing WhatsApp Business to Callkaro
Cause: Payment method or business verification not completeSolution:
  • Complete payment setup in Meta Business Manager
  • Finish business verification process
  • Wait for Meta approval
Solution:
  • Go to Phone Numbers page
  • Find your number
  • Click “Verify” in Actions column
  • Follow prompts to switch provider type
Issue: This WhatsApp Business Account is linked to another Callkaro accountSolution:
  • Disconnect from other account first
  • Or use a different WABA
  • Contact Callkaro support if you own both accounts

​
Important Notes

One WABA per Account: Each WhatsApp Business Account can only be connected to ONE Callkaro account. Attempting to connect the same WABA to multiple accounts will fail.
Call Recordings for OTP: When using Callkaro phone numbers for OTP, call recordings typically appear within 1-2 minutes. Check the Call Details page under the inbound agent’s call history.
Business Verification: Start the business verification process early. It can take several days for Meta to approve, and you’ll need it to send messages at scale.

​
Getting Help

Contact Support

Get help with WhatsApp signup and configuration

Meta Business Help

Meta Business Manager support