Track US economic nexus from your Shopify orders. NexusWatch maps sales by state, sends alerts before thresholds, and guides sales tax registration steps.

• Color-coded US map that shows how close each state is to its nexus limit
• Email alerts when a state approaches or crosses its economic nexus threshold
• Per-state checklists for sales tax registration and next compliance steps
• State pages with revenue, order counts, and the threshold rule that applies
• Ranked risk list so you can focus on states closest to registration