Hostify uses Twilio 3-party integration for WhatsApp functionality.
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​With the Twilio API for WhatsApp, you can send images and text to create rich contextual conversations with your WhatsApp Users.
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First you need to create a Twillio account
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Then you need to buy a virtual phone number that supports SMS
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​ https://www.twilio.com/en-us/messaging
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Verify it for WhatsApp business integration via Twillio flow.

Once its done, you need to temporary provide us access to your Twillio account, so that we can do further adjustments.
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Configuration of the Twilio connection must happen both in Hostify and in Twilio.
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Whatsapp templates must be the same configured in Twilio and in Hostify.
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The conversation with the guest must start with sending one of the Whatsapp templates already made. After that the guest must return an answer and then you will be able to communicate with the guest.
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This article can be very useful for you, please take a look in it.
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​https://help.hostify.com/en/articles/4455625-whatsapp-messages-to-guests-via-inbox?location=conversation
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