Pre-approval checks
- Confirm the number is free (not registered on WhatsApp or Business app).
- Ensure you control SMS/voice for verification.
- Prepare a display name aligned to your brand and website.
WhatsApp Business API number approval process
Understand how WhatsApp approves and verifies the phone number you connect to the API.
The WhatsApp Business API number approval process verifies ownership, display name, and connectivity before you can message customers.
Key takeaways
- Use a number that can receive SMS/voice and is not active on WhatsApp apps.
- Submit a display name that matches your brand; mismatches cause rejection.
- If migrating numbers, follow Meta’s porting steps to keep reputation.
Related guides worth reading next
Strengthen this topic cluster by also reading Who can use WhatsApp Business API?, How to apply for WhatsApp Business API.
Verification steps
- Add the number in your provider dashboard.
- Choose SMS or voice to receive the verification code.
- Enter the code to bind the number to your WhatsApp Business account.
- Submit the display name for review.
Handling migrations
If you are moving from another BSP, coordinate porting so downtime is minimal. Backup templates and ensure both providers align on the migration window.
FAQs
How long does number approval take?
Verification is usually instant after you enter the code; display name review may take a few minutes to a few hours.
Can I re-use a number from WhatsApp Business app?
Yes, but you must unregister it from the app or migrate it. Once on the API, it will not work in the app.
What if my display name is rejected?
Align it with your legal/brand name and domain, avoid generic terms, and resubmit.
Explore more WhatsApp Business API resources
Setup and Eligibility
Who can use WhatsApp Business API?
Supported business types, verification steps, and documentation you need to submit.
Setup and Eligibility
How to apply for WhatsApp Business API
Application flow, required documents, and choosing a Business Solution Provider.
Setup and Eligibility
WhatsApp Business API eligibility
Eligibility checklist and tips to avoid policy blocks.
Setup and Eligibility
WhatsApp Business API requirements
Verification, opt-in, templates, and hosting considerations.
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