Integration Guidelines Guide
Use this hub to jump into the most important integration docs: checklists, per‑integration behaviors, and address/tax logic.Integration Checklist
Baseline checklist to validate whether an integration is working end‑to‑end.
Start here when testing a new or updated integration.
Existing Integration Behaviors
Stripe, Shopify, Xero, NetSuite, QuickBooks, and Zoho behavior notes:
how we sync, calculate, and resolve addresses today.
Fallback Address Resolver
How the logical backend walks through fallback addresses and how to
enable or adjust that behavior.
Sales Tax Address Resolution Hierarchy
The authoritative address hierarchy used for sales tax decisions
across integrations.
Shipping Tax Calculations
How shipping charges and their taxes are calculated, stored, and
synced across systems.