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HTS Classify — HS/HTS10 Tariff Code Classifier
x402
HTS Classify — HS/HTS10 Tariff Code Classifier is a paid API for AI agents from hts-classify.x402supply.com, paid per call via x402, $0.1/call, status unknown (last checked 2026-10-10).
Classifies a free-text product description into the top candidate HTS10 tariff codes using BM25 retrieval over the USITC HTS schedule, returning parent-chain descriptions, general duty rates, and confidence scores.
Price / call$0.1
Success—
StatusUnknown
How this service works
Classify a product description into candidate HS/HTS10 tariff codes. Deterministic BM25 retrieval over the USITC HTS schedule with heading-agreement boosting, returning the full parent-chain description, general duty rate, and a score-gap confidence per candidate. Not a customs ruling — always includes a disclaimer to verify with a licensed broker.
Output
Returns an ordered list of up to 10 candidate HTS10 tariff codes, each with: the full parent-chain schedule description, the general duty rate, and a score-gap confidence value. Also includes a disclaimer noting the result is not a customs ruling and should be verified with a licensed broker.
Example use cases
E-commerce import duty lookup
“I'm importing 'wireless Bluetooth earbuds with a charging case' from Vietnam — can you find the top 3 HTS10 codes that apply and tell me the general duty rate for each?”
Customs paperwork preparation
“What are the best HTS10 tariff classifications for 'polypropylene woven fabric bags used for agricultural seed storage'? Give me the top 5 candidates so I can choose the right one with my broker.”
Sourcing cost estimation
“I need to estimate import duties on 'lithium-ion rechargeable battery packs, 10,000 mAh, for consumer electronics' — classify it into HTS codes and show me the general duty rates.”
Technical details
Endpoint
POSThttps://hts-classify.x402supply.com/tools/classify?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need fast, deterministic HTS/HS tariff code suggestions from a product description without calling a live customs authority. It is ideal for pre-classification screening, duty rate estimation during sourcing, or populating import paperwork drafts. Prefer it over LLM-only guesses because it retrieves directly from the authoritative USITC HTS schedule with BM25 scoring and heading-agreement boosting. Not suitable as a final customs ruling — always confirm with a licensed broker.
Side effects
- Description too vague or ambiguous — returned codes may have low confidence scores
- Description exceeds 500 characters — request rejected with validation error
- No closely matching HTS heading found — low-scoring or unexpected candidates returned
- origin_hint not recognized — ignored silently, classification proceeds without it
- top_k out of range (must be 1–10) — request rejected with validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| options | object | |
| description | string |
Tags
x402
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