HTSBase vs Zonos
Online stores selling cross-border that want duties and taxes quoted and guaranteed at checkout.
What Zonos does
Zonos Landed Cost calculates duties, taxes and fees at checkout in over 200 countries and territories and guarantees the total: if customs charges more than quoted, Zonos pays the difference. It also handles duty invoices and tax remittance, including EU IOSS. HS classification through Zonos Classify is included, with 10,000 classifications a year at no extra cost.
Signup: Sales-gated. The site offers Book a demo and Get started, both leading to the sales team.
Published pricing
- Landed Cost: $2 per order plus 10% of duties, taxes and non-Zonos fees source, checked October 2026
- Export processing (cross-dock customers): $5 per order source, checked October 2026
Zonos says the shopper usually pays this fee at checkout, so the seller does not.
- Free: $0, 250 calls a month, no overage source, checked October 2026
- Starter: $29 a month, 2,000 calls, then $0.01 a call source, checked October 2026
- Growth: $99 a month, 15,000 calls, then $0.007 a call source, checked October 2026
- Scale: $199 a month, 50,000 calls, then $0.005 a call source, checked October 2026
One call returns classification, duty and landed cost for the U.S. or the EU.
Coverage
| Zonos | HTSBase | |
|---|---|---|
| Signup | Sales-gated | Self-serve |
| U.S. import duty | Yes, among 200+ countries and territories | Yes, base rate plus trade programs |
| EU duty and VAT | Yes, including IOSS remittance | Yes, CN 2026 duty and import VAT |
| Classification from a product description | Yes, Zonos Classify | Yes, in the same call as duty and landed cost |
| Chapter 99 stacking (Section 301, 232) | Not published | Yes, Section 301 and 232 measures stacked and shown |
| EU EUR 3 per item duty (from July 1, 2026) | Not published | Yes |
| MCP server for AI agents | Not published | Yes, at /api/mcp |
"Not published" means we could not find it on Zonos's public pages in October 2026. It may still be available; ask Zonos.
When to choose Zonos instead
- You want the landed cost guaranteed, with Zonos covering any shortfall at customs.
- You ship to many countries beyond the U.S. and EU.
- You want duty and tax remittance handled for you, not just an estimate.
- You prefer the fee to be paid by shoppers at checkout instead of a monthly plan.
When HTSBase fits
- You want to start free and pay by the month without talking to sales.
- You have product descriptions, not codes, and want the code, duty and landed cost from one call.
- You import into the U.S. and need Section 301 and 232 measures shown on top of the base rate.
- You sell into the EU and need the EUR 3 per item duty and import VAT in the estimate.
- You want an AI agent to call it through MCP.
Sources
- Zonos Landed Cost fee, checked October 2026
- Zonos Landed Cost, checked October 2026
See our own numbers on the accuracy page and the status page.
250 free calls a month.
Classification, duty and landed cost for the U.S. and EU in one call.