The Provider Credential supplies the requisite data to authenticate a web service request.
|Id||Int||Required||ProviderId assigned by ContactAtOnce! to each Provider.|
|UserName||String||Required||UserName assigned by ContactAtOnce! to each Provider for use with the ContactAtOnce! API.|
|Password||String||Required||Password for the account. Password initially assigned by ContactAtOnce! but may be changed via the Publisher Portal.|