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Can I set up a test number in WhatsApp Business API?
To test messages and functionality, WhatsApp Business clients can claim up to two 555 business phone numbers. These numbers behave the same way as standard business phone numbers (subject to pricing rules, impacted by quality ratings, etc.), but must have their display names approved before they can be used to send messages. In addition, 555 numbers:
Have a US country calling code (+1).
Are verified automatically.
Cannot be migrated to another WhatsApp Business account, or used outside of the WhatsApp Business platform.
If you are eligible for 555 numbers, the phone number addition screen will automatically give you the option to choose a 555 number:
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