Sage Intacct developer documentation is moving: The developer documentation currently available on the legacy Intacct Developer site is expected to move to the Sage Intacct Developer Portal at developer.sage.com/intacct with the FY27 R1 release. The XML API itself is not changing, and existing integrations will continue to work as they do today.
Contact tax groups enable you to apply different taxes to customers, vendors, and their contacts, according to their jurisdictions. You associate customers, vendors, and their contacts with contact tax groups. Then, you use tax schedule maps to apply different tax schedules to your contact tax groups.