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You have to be approved by Meta and must sign an NDA: https://developers.facebook.com/m/messaging-interoperability/ https://developers.facebook.com/m/messaging-
by sunaookami 11mo ago
You have to be approved by Meta and must sign an NDA: https://developers.facebook.com/m/messaging-interoperability/ https://developers.facebook.com/m/messaging-interoperability...