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When sending messages using the Sinch WhatsApp Business API, what is the required mobile phone number format?

Shahzad Ismail
Updated

When sending messages using the Sinch WhatsApp Business API, the required format for mobile phone numbers is to use the E.164 standard, that is, without the ‘0’ and without the ‘+’. For example, 447787123456.

Refer to the following WhatsApp article for more information: How to add an international phone number.

Learn more about the Sinch WhatsApp Business API. 

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