https://campaigns.zoho.com/api/addlistsubscribersinbulk?

?authtoken=[xxxx]&scope=campaignsapi&version=1&resfmt=[JSON]&listkey=[1c5fcaf4cfea6e71b95c2847418923c71185630859ca1fd0]emailids[ jdicken@gvcmortgage.com, jcripe@gvcmortgage.com, jbyars@gvcmortgage.com, jodell@gvcmortgage.com]

please specify the correct format for adding bulk emails to mail List