About this app
Shopify's built-in tax tools only count Shopify sales. NexusMonitor aggregates every channel — Shopify, WooCommerce, and Square — into one threshold tracker across all 46+ nexus states. Set custom alerts at any percentage. Get step-by-step registration guidance for states you've crossed. Export a PDF report for your CPA. Pure monitoring — not filing — so it works alongside any tax filing software. One number that's actually accurate.