https://community.hubspot.com/t5/APIs-Integrations/How-to-set-source-campaign-for-contacts-created-from-Offline/m-p/229045#M7941 <P>Hi <A class="mention" href="https://community.hubspot.com/u/cc2">@cc2</A>,</P> <P>This is very strange. Is you custom app using your hapikey for authentication, or does your app use OAuth? If you're using OAuth, can you send me your app ID?</P> Mon, 23 Apr 2018 17:50:16 GMT Derek_Gervais 2018-04-23T17:50:16Z