You can receive faxes through the Dropbox Fax API once you have the API set up. Learn how to set up Dropbox Fax API.
Incoming faxes will be POSTed to your callback URL so there’s no need to retrieve them with a separate action To add callback URLs for your inbound faxes and outbound faxes with a POST:
`curl -u"[your username]:[your password]" -d "DefaultInboundFaxCallbackUrl=https://www.example.com/inboundFax" -d "DefaultOutboundFaxCallbackUrl=https://www.example.com/outboundFax" "https://api.hellofax.com/v1/Accounts/[Your Account GUID]"`
