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China Sourcing Audit Tools – Landed Cost Calculator
x402
China Sourcing Audit Tools – Landed Cost Calculator is a paid API for AI agents from x402-stable-door.lu7897859.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).
Calculates the total landed cost of importing goods from China, breaking down freight, customs duties, and other charges by weight, dimensions, shipping mode, and declared goods value.
Price / call$0.02
Success—
StatusUnknown
How this service works
AI tools for vetting Chinese suppliers and import risk before money moves: factory-vs-trader verification, landed cost, payment red flags, audit checklist, certification checks, full audit chain. Pay-per-call in USDC on Base via x402.
Output
Returns a JSON object with the total landed cost in USD, itemized freight cost in USD, itemized customs cost in USD, and a detailed breakdown object showing how each cost component was calculated.
Example use cases
Pre-purchase import cost estimate
“Before I wire money to this Chinese supplier, can you calculate the total landed cost by sea for a 200 kg order worth $8,000? The box dimensions are 100 cm × 80 cm × 60 cm.”
Air vs sea shipping cost comparison
“I'm importing 30 kg of electronics from China valued at $2,200 — can you calculate the landed cost for air shipping so I can compare it against sea freight?”
Express courier budget check
“I need to import a 5 kg package from China worth $350 via express courier — what's the total landed cost including customs and freight?”
Technical details
Endpoint
POSThttps://x402-stable-door.lu7897859.workers.dev/landed_cost_calcWhen to prefer
Use this endpoint when you need a fast, itemized landed cost estimate for goods being imported from China and want a breakdown of freight vs customs before committing payment to a supplier. Ideal for pre-purchase due diligence workflows, supplier quote comparisons, or budgeting tools. Complements other China sourcing audit endpoints on the same platform for end-to-end vetting.
Side effects
- Missing required fields (kg, shipping_mode, goods_value_usd) returns a validation error
- Invalid shipping_mode value outside the enum ['air','sea','express'] causes rejection
- Zero or negative weight/value may return an error or unreliable estimate
- Dimensional inputs (width_cm, height_cm, length_cm) omitted may result in volumetric weight not being considered
- Payment failure in USDC on Base blockchain returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| kgrequired | number | Weight in kilograms |
| width_cm | number | |
| height_cm | number | |
| length_cm | number | |
| shipping_moderequired | string | |
| goods_value_usdrequired | number |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| breakdown | object | |
| customs_usd | number | |
| freight_usd | number | |
| total_landed_cost_usd | number |
Tags
x402
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