I did not receive OTP during mobile number verification, what do I do now? Shanmuganand Nadar October 12, 2021 08:36 Updated Write to Gupshup support at firstname.lastname@example.org with subject line in the format "WhatsApp OTP issue: Phone number" along with what type of Phone number it is - Mobile, Landline, VoIP, etc Related articles Can my WABA request get rejected? How to get a verified tick? How will my display name show to end users? Why can't I use a number which is already using WhatsApp? I read that WhatsApp does allow that. How do I send a template message using the API? What is a Facebook Business Manager ID? Where can I find it? Comments 0 comments Please sign in to leave a comment.