ApiId header).Accept (string — required)SenderId, ChatId, ToPhoneNumber, Message, Attachment, CampaignId)objectcurl --location 'https://api.veloconnect.me/api/partners/viber-conversations/messages' \
--header 'Accept: application/json' \
--form 'SenderId=""' \
--form 'ChatId=""' \
--form 'ToPhoneNumber=""' \
--form 'Message=""' \
--form 'Attachment=@""' \
--form 'CampaignId=""'{}