POTAL
The infrastructure for global commerce

Total Landed Cost, One API Call

Show your buyers the true cost of any product — duties, taxes, and shipping — for 240 countries. Embed in minutes, not months.

0
Countries
0M+
Tariff Records
0
FTAs
0
Languages
Built on official data from
WTOUSITCEU TARICUK HMRCCBSAKCSOFAC
curl -X POST https://www.potal.app/api/v1/calculate \
  -H "X-API-Key: pk_live_your_key" \
  -H "Content-Type: application/json" \
  -d '{
    "productName": "Cotton T-Shirt",
    "declaredValue": 49.99,
    "originCountry": "CN",
    "destinationCountry": "US",
    "zipcode": "10001",
    "shippingCost": 8.50
  }'
240
Countries Covered
Every territory worldwide
113M+
Tariff Data Points
MFN + preferential rates
99.2%
Calculation Accuracy
Verified against gov sources
<200ms
API Response Time
p95 latency globally
ShopifyWooCommerceMagentoBigCommerceCustom Stores

How it works

Three steps to show your customers the true cost of cross-border purchases

01
01

Get your API key

Sign up for free and get your publishable key in seconds. No credit card required.

02
02

Embed the widget

Add one script tag to your product page. The widget auto-detects your API endpoint.

03
03

Buyers see true cost

Customers select their country and instantly see duties, taxes, and total landed cost.

Everything you need for global commerce

One API that handles the complexity of international trade regulations

240 Countries

Complete duty rates, VAT/GST, de minimis thresholds, and FTA agreements for 240 countries worldwide.

HS Code Classification

AI-powered product classification. Send a product name, get the correct HS code and applicable duty rate.

Sub-national Tax

State-level tax for US (50 states), Canada (13 provinces — GST/HST/PST), and Brazil (27 states — ICMS).

FTA Detection

Automatically detects Free Trade Agreements between origin and destination countries for reduced duty rates.

De Minimis Rules

Knows every country's duty-free threshold. Orders under the limit? Zero import duty, automatically applied.

Embeddable Widget

Drop-in JavaScript widget with Shadow DOM isolation. Works on any site with zero CSS conflicts.

One request, complete breakdown

Every calculation returns a detailed breakdown including product price, import duty, taxes, shipping, HS code, FTA status, and de minimis eligibility.

  • ✓Total landed cost in one number
  • ✓Line-by-line cost breakdown
  • ✓HS code with duty rate
  • ✓State-level tax for US, CA, BR
  • ✓FTA & de minimis detection
200 OK~120ms
{
  "success": true,
  "data": {
    "totalLandedCost": 79.83,
    "breakdown": {
      "productPrice": 49.99,
      "importDuty": 8.25,
      "tax": 5.19,
      "shipping": 8.50,
      "taxLabel": "Sales Tax (NY)"
    },
    "hsCode": "6109.10",
    "fta": false,
    "deMinimis": false
  }
}

Your customers see this

The POTAL widget embeds directly into your product page. Select a country below to see it in action.

Total Landed Cost
Duty rate: 16.5% to United States
Product Price$49.99
Import Duty (16.5%)$8.25
Sales Tax$4.44
Shipping$8.50
Total Landed Cost$71.18

The checkout experience your customers deserve

Surprise fees kill conversions. Transparency drives trust.

Without POTAL
Customer sees $45 at checkout...
  • ✕Unexpected $18 customs charge at delivery
  • ✕Customer refuses package → return shipping costs
  • ✕Negative review: "Hidden fees!"
  • ✕Lost customer lifetime value
Cart abandonment rate: up to 48%
With POTAL
Customer sees $63 total landed cost
  • ✓Duties, taxes & fees shown before checkout
  • ✓No surprise charges at delivery
  • ✓5-star review: "Exactly what I expected to pay"
  • ✓Repeat customer → higher LTV
Conversion rate increase: up to 25%

Start free, scale as you grow

200 free API calls per month. No credit card required.

Free
$0
200 calls/mo
View details →
Basic
$20/mo
2,000 calls/mo
View details →
Pro
$80/mo
10,000 calls/mo
View details →
Enterprise
$300/mo
50,000+ calls/mo
View details →

Ready to go global?

Join sellers who use POTAL to show transparent pricing to customers in 240 countries.