🕒 CUSMA Review: July 1, 2026 — 15 weeks away

CUSMA Preferential Tariff Rates,
Live via API

3,604 Canadian tariff lines carry a UST rate that differs from MFN. Access all of them — plus nightly change detection — through a single clean JSON API.

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No credit card required · Full Canadian Customs Tariff access · Cancel anytime

3,604
Canadian tariff lines where UST rate differs from MFN
22,461
Total Canadian Customs Tariff records, nightly synced
July 1
CUSMA six-year review opens — rate changes possible

What CUSMA Preferential Rates Look Like in Practice

These are live rates from the current Canadian Customs Tariff schedule. UST = US Tariff rate under CUSMA for qualifying US-origin goods.

HTS Code Description MFN Rate UST Rate (CUSMA) Saving per $1M imported
8716.39.30 Trailers & semi-trailers for road tractors 9.5% Free $95,000
9403.60.10 Wooden furniture for domestic use 9.5% Free $95,000
8516.71.10 Coffee makers & beverage appliances 9% Free $90,000
8708.29.60 Plastic seat covers & floor mats for vehicles 8.5% Free $85,000
9406.90.20 Air-supported building structures 15.5% Free $155,000
6110.12.90 Knitted garments of wool or fine animal hair 18% Free $180,000
Why this matters for July 2026: Any rate change resulting from the CUSMA review that affects your classification codes will hit cost models immediately. Companies without real-time tariff change monitoring will discover the change on their next duty invoice, not when CBSA publishes it.

Three Risks the CUSMA Review Creates for Compliance Teams

These are not hypothetical. They follow predictably from any structured tariff rate review.

⚠️

Classification errors that were invisible become expensive

When an HTS misclassification happens to carry the same preferential rate as the correct code, no one notices. A rate restructuring can expose those errors overnight. CBSA review audits triggered by the review period are not the moment to discover them.

📄

Origin documentation gaps

CUSMA preferential rates require goods to meet Rules of Origin. The six-year review may tighten content requirements in automotive, textiles, and other politically sensitive categories. Certifications that qualified under the original agreement may not qualify under revised rules.

🕐

Stale rate data in classification systems

Systems that cache tariff rates locally and refresh quarterly or annually will be running the wrong numbers from the night CBSA publishes amended rates. The window between publication and the next manual update cycle is the window of liability.

The API Endpoints Your Team Needs

TradeFacts.io provides the full Canadian Customs Tariff — including all preferential rate columns — as a stable JSON API with nightly sync.

GET /api/ca/{code}
# Full tariff record including all preferential rates (UST, CPTPT, CCCT, etc.)

GET /api/ca/search?q=trailer
# Search by keyword across all 22,461 Canadian records

GET /api/ca/ust
# Returns all records with a non-empty UST preferential rate

GET /api/ca/changelog
# Every change to the Canadian schedule since monitoring began

Every response includes the preferential object with all applicable rate columns. When CBSA publishes amendments, /api/ca/changelog captures the diff the same night.

Full API documentation →

Be ready before July 1

Start a free 30-day trial. Full access to all Canadian Customs Tariff endpoints and nightly change detection. No credit card required.

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Tier 1 — $199/month — US HTS only
Tier 2 — $299/month — US HTS + Canada Customs Tariff + changelog
Tier 3 — $399/month — adds webhook push on every change