One API call returns full landed cost — duty, VAT, anti-dumping, FTA savings, and optimization opportunities — across 180+ economies. Current-regime aware for US imports.
Request
curl -X POST https://api.zentriaflow.com/api/v1/landed-cost/calculate \
-H "Authorization: Bearer zf_live_your_key" \
-H "Content-Type: application/json" \
-d '{
"product_value": 10000,
"hs_code": "8471.30",
"origin_country": "CN",
"destination_country": "US",
"transport_mode": "sea",
"incoterm": "FOB",
"currency": "USD"
}'Response · 94% confidence
{
"total_landed_cost": 25763.40,
"breakdown": {
"customs_duty": 14620.00,
"vat_gst": 0,
"international_freight": 850.00,
"insurance": 87.50,
"customs_processing_fee": 156.90,
"harbor_maintenance_fee": 49.00
},
"duty_rate": 152.5,
"antidumping_warning": null,
"optimization": {
"has_fta": false,
"opportunities": [{ "type": "route", "description": "Vietnam sourcing — ~12% duty" }]
},
"confidence": 0.94
}Response includes full duty breakdown, FTA opportunities, anti-dumping flags, and optimization recommendations.
Get started in 3 steps
01
Create a free account
Sign up with your email. No credit card required for the Sandbox tier (100 calls / month free).
Create account →02
Generate an API key
In Settings → API Keys, click "New key", give it a name, and copy your `zf_live_xxx` key. It's shown once — save it securely.
03
Make your first call
Paste the curl command from our docs or copy the code sample above. Your first landed cost result arrives in under 200ms.
Are you an importer looking to use the Zentria Flow dashboard?
Developer API plans are for companies embedding tariff data into their own software. If you want to use our dashboard (landed cost calculator, CFO PDF, compliance vault), you want an Importer plan starting at $0.
Who uses it
E-commerce checkout
Show shoppers their real import cost at checkout — reduce abandoned carts caused by customs surprise. Works with Shopify, WooCommerce, Magento.
ERP / WMS integration
Embed landed cost into purchase orders, inventory valuation, and supplier invoices. Real-time duty data without Excel.
Sourcing platform
Let buyers compare total landed cost from multiple origins side by side. China vs Vietnam vs Mexico — instant duty comparison.
Trade finance
Automate landed cost verification for letters of credit and supply chain finance decisions. Machine-readable, audit-ready output.
Freight forwarding
Embed duty estimation in quotes and booking flows. Win more business by showing customers their true total cost upfront.
BI / analytics tools
Feed real landed cost data into your spend analytics or procurement dashboards. Replace stale spreadsheet estimates.
API reference
Full 11-step landed cost calculation with duty, VAT, anti-dumping, FTA detection
All tiersAI-powered HS code classification from product description
All tiersBatch up to 100 calculations in a single request
Scale+Direct tariff rate lookup by HS code, origin, destination
Growth+Subscribe to duty-rate change notifications on specific trade lanes
Scale+Generate a white-label branded PDF for a calculation
Scale+API pricing
Pay for API calls, not users. Scale to millions of calculations without per-seat costs.
Sandbox
Free
100 calls / month · 5 RPM
Growth API
$199/mo
20,000 calls / month · 30 RPM
Scale API
$599/mo
50,000 calls / month · 200 RPM
Enterprise API
Custom
Unlimited · Custom RPM
All plans include sandbox testing, API key management dashboard, and usage analytics. Annual billing saves 20% on paid plans — contact us for annual pricing.
Integrates with
Via REST JSON API — no SDK required. Works with any platform that can make HTTP requests.
FAQ
Start building today
Create an account, generate your API key, and make your first landed cost calculation in under 5 minutes.