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How to Enable WhatsApp in Your Stack Account

Table of Contents​

Sign Up with the New WhatsApp Business App​

Step 1: Purchase a LeadConnector Phone Number​

  • Acquire a LeadConnector (LC) phone number and set it to forward calls to your primary contact number.

Step 2: Start the Signup Process​

  • Go to Settings > WhatsApp > Set Up a New WhatsApp Number.

Step 3: Continue with Facebook​

  • Click Continue with your Facebook account to proceed.

Step 4: Begin the Setup​

  • Tap Get Started to initiate the integration process.

Step 5: Enter Business Details​

  • Fill in the required business information and click Next.

Step 6: Create a WhatsApp Business Account​

  • Select Create WhatsApp Business Account.

Step 7: Confirm Your Selection​

  • Click Next to proceed.

Step 8: Save & Complete Setup​

  • Click Save to apply your settings.

Step 9: Complete the Setup​

  • Tap Finish. Your WhatsApp Business Account is now successfully integrated!

Phone Number Verification​

Step 10: Add & Verify Your Phone Number​

  • Click Add Phone Number and proceed with verification.

Step 11: Choose a Verification Method​

  • Text Message (SMS): Select this option to receive an OTP via SMS. Retrieve the code from the Conversations tab.
  • Phone Call: If selected, you will receive a verification call on your forwarded number.

Step 12: Enter the 6-Digit OTP​

  • Enter the 6-digit OTP received via SMS or call to verify your number.

Step 13: Verification Complete!​

  • Your WhatsApp Business number is now successfully verified and ready to use.

Note: Once you migrate a phone number to the WhatsApp Business Platform, it cannot be used on the WhatsApp Business App concurrently.

Restrictions for WhatsApp Business Sign-Up​

When signing up for the WhatsApp Business Platform, businesses must adhere to the following restrictions:

  1. New Phone Number Requirement
    • Businesses must use a new phone number for registration, whether onboarding manually or through Embedded Signup.
    • Existing numbers that are currently active on WhatsApp or WhatsApp Business App cannot be used for signup.

FAQs​

Q: I received an error message stating that the number is registered to an existing WhatsApp account. What should I do next?​

Answer: This error usually occurs if you have an active WhatsApp account on your mobile device. You need to delete that account to connect with the chat account. Open the WhatsApp app, navigate to Settings > Account > Delete my account. Note that after integration, you will not be able to use WhatsApp on your phone, and your previous conversation history and contacts will not be migrated.

Q: Can I use my existing WhatsApp Business App number for the WhatsApp Business Platform?​

Answer: No, once you migrate a phone number to the WhatsApp Business Platform, you cannot use it concurrently on the WhatsApp Business App. You must choose between the two platforms.

Q: How do I verify my WhatsApp Business phone number?​

Answer: Once you’ve added your phone number, you can verify it using one of these methods:

  • SMS Verification: Receive an OTP via SMS and enter it in the Conversations tab.
  • Phone Call Verification: Receive a verification call on your forwarded number and enter the OTP provided.

Q: Can I change the WhatsApp Business phone number after verification?​

Answer: No, once a number is verified and linked to the WhatsApp Business Platform, you cannot switch it to another number without reconfiguring your account.

Q: What should I do if I don’t receive the OTP during verification?​

Answer:

  • Ensure your phone number is correct and formatted properly.
  • Check if your network provider is blocking verification messages.
  • Retry after a few minutes or select phone call verification as an alternative.

Q: What happens if my WhatsApp Business account setup fails?​

Answer: If you experience issues during setup, ensure that your business information is correct, confirm that you are using a new phone number not active on WhatsApp, and retry the verification process with a different method (SMS or Call).

Q: What are the benefits of using the WhatsApp Business Platform instead of the App?​

Answer:

  • Automation & Workflows: Send messages automatically using CRM workflows.
  • Multiple Users: Manage WhatsApp conversations across your team.
  • Template Messaging: Send pre-approved templates for business communication.

Q: Can I transfer my WhatsApp Business number back to the WhatsApp Business App?​

Answer: No, once a number is migrated to the WhatsApp Business Platform, it cannot be moved back to the WhatsApp Business App.

Q: What is the difference between the WhatsApp Business App and WhatsApp Business Platform?​

FeatureWhatsApp Business AppWhatsApp Business Platform
Message Automation❌ Limited✅ Advanced workflows & APIs
Multiple User Access❌ No✅ Yes
Template Messaging❌ No✅ Pre-approved templates
CRM Integration❌ No✅ Full CRM support