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a Facebook account
a Meta business manager(verified business will be preferred & highly recommended. If the business isn’t verified, there will be some limitations)
a phone number which isn’t use any WhatsApp service
a valid Credit card to the payment of meta conversation usage
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If you are running ads to WhatsApp, you can learn more about “Click to WhatsApp ads” here, and also how to set up automation when the user engaged with your ads.
WhatsApp Channel Common Question(FAQ)
For the most common errors in the WhatsApp channel, you can find the solution here.