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Dutyfinch HTS Duty Rate & China Tariff Lookup API
x402
Dutyfinch HTS Duty Rate & China Tariff Lookup API is a paid API for AI agents from dutyfinch.cybermax-tools.workers.dev, paid per call via x402, $0.012/call, status unknown (last checked 2026-10-12).
Returns US import duty rates and China Section 301 tariff data for a given HTS code in a single API call
Price / call$0.012
Success—
StatusUnknown
How this service works
Every US duty rate and China tariff, one call. HTS code lookup + Section 301 tariff checker API and MCP Try it free in one click, no sign-up.
Output
A JSON response containing the base MFN (most-favored-nation) US duty rate, applicable Section 301 China tariff rates (by list tier), and combined total tariff burden for the queried HTS code
Example use cases
Landed cost calculator for e-commerce
“I'm importing phone cases from China under HTS code 8517.62.0090 — what's the full duty rate I'll be paying including any Section 301 tariffs?”
Trade compliance check before sourcing
“Before we sign a supplier contract, can you check what US import duties and China tariffs apply to HTS code 8471.30.0100 so we can factor that into our pricing?”
Tariff impact analysis for CFO report
“I need the current US duty rate and Section 301 China tariff rate for HTS code 6110.20.2079 — we're putting together a cost impact analysis for our imports.”
Technical details
Endpoint
GEThttps://dutyfinch.cybermax-tools.workers.dev/x402/api/watch?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a single-call solution for both base US MFN duty rates and China Section 301 tariff data together, especially for trade compliance, landed cost calculations, or sourcing decisions involving Chinese goods. Prefer this over manual HTS lookups on USITC or CBP websites when automating tariff checks at scale. Best suited for agents that need structured, machine-readable tariff data without scraping government websites.
Side effects
- Invalid or malformed HTS code returns an error or empty result
- HTS code not found in current schedule returns no duty data
- Network timeout from Cloudflare Workers edge if upstream data source is unavailable
- Payment failure (HTTP 402) if USDC payment of $0.012 is not properly submitted via x402 protocol
- Rate limiting if too many requests are made without valid payment
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {}
}Tags
x402
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