How i get WhatsApp abid to compose a message to a specific user in iOS?
Two recent solutions (July 2017)
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WhatsApp 'Click to Chat' API feature must work on all devices:
https://faq.whatsapp.com/en/general/26000030
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And, this other schema (for
hreflinks) seems to be working also:whatsapp://send?text=MESSAGE&phone=+NUMBER&abid=+NUMBER