Kustomer to Sage 100 integration — real-time, two-way sync

Yes. Stacksync provides a managed, real-time two-way integration between Kustomer and Sage 100: authenticate both systems, choose the objects to sync (such as Kustomer's Notes and Customers), map fields visually, and changes propagate both ways in milliseconds — no code required.

On the Kustomer side: Users, Teams, Tags, Notes, plus custom fields where Kustomer exposes them. On the Sage 100 side: Vendors, Inventory Items, Sales Orders, AR Invoices. Stacksync auto-detects both schemas and converts types between the two systems.

Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.

Common patterns for Kustomer and Sage 100: Where Sage 100 handles order-to-cash: closed-won flows through; Where Sage 100 is the finance system of record: money status on the account; One customer master. A deal won in Kustomer creates or updates the customer in Sage 100 with clean data, so fulfillment and invoicing start without re-entry.

Kustomer: REST API. Authentication: API key used as a bearer token, scoped by role. Sage 100: ODBC (ProvideX driver) for reads; Business Object Interface (BOI) or Sage-provided web services for writes. Authentication: Sage 100 company and user credentials; ODBC DSN credentials for direct reads. Stacksync manages authentication, retries, and rate limits on both sides.

Kustomer: Kustomer's data model centers on a customer timeline: conversations, messages, and custom object records all appear chronologically against one customer record rather than as separate tickets. Sage 100: Writes should go through the Business Object Interface rather than direct file access, so module validation and GL postings are enforced. Stacksync's field mapping accounts for these differences between Kustomer and Sage 100 without custom code.