4b2b · Solutions CA

E-commerce with multi-province tax

Sell online with a platform built for the multi-province Canadian tax matrix. Auto-applied GST/HST/PST/QST per ship-to province, integration with Canada Post, Purolator, FedEx Canada, UPS, CASL-compliant abandoned cart and post-purchase email flows, Stripe Canada + Interac e-Transfer at checkout.

What we solve

×
Problem

Tax calculation errors per province.

✓
4b2b solution

Tax matrix applied automatically by ship-to province — GST 5% federal + HST/PST/QST per province.

×
Problem

Manual carrier label printing.

✓
4b2b solution

API integration with Canada Post, Purolator, Bartolini, FedEx — labels generated, tracking auto-synced.

Key features

  • Multi-province tax engine
  • Canadian carrier API integration
  • CASL-compliant email flows
  • Stripe + Interac checkout

Frequently asked questions

Import from Shopify/WooCommerce?

Yes — importers for Shopify, WooCommerce, Magento, BigCommerce. Migration assisted on >5000 SKUs.

Carriers supported?

Canada Post, Purolator, FedEx Canada, UPS, DHL, Loomis. Real-time rates at checkout.

B2B selling?

Yes — customer-specific pricing, net 30/60/90 terms, PO numbers, approval workflows.

Continue reading

See how this solution applies to specific Canadian industries and read related compliance guides.

Ready to bring 4b2b to your Canadian business?

Free demo, bilingual support (EN/FR), CRA-ready and CASL-compliant, optional Canadian data residency. No credit card required.