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SiteCheck Trade & Energy – UN Dangerous Goods Lookup (49 CFR 172.101)
x402
SiteCheck Trade & Energy – UN Dangerous Goods Lookup (49 CFR 172.101) is a paid API for AI agents from api.tradeenergy-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-29).
Looks up US DOT hazardous materials data (49 CFR 172.101 / eCFR) by UN number or name fragment, returning proper shipping name, hazard class, packing group, labels, and special provisions.
Price / call$0.002
Success—
StatusUnknown
How this service works
US hazardous materials table (49 CFR 172.101, eCFR): UN number, proper shipping name, hazard class, packing group, labels, special provisions, for a UN number (e.g. 1203) or a name fragment (e.g. gasoline). It is the US DOT table, which follows the UN Model Regulations but is not the UN list itself.
Output
Returns a JSON object with the match count, the query string used, the eCFR source URL, a timestamp, and an array of matches — each containing the UN number, proper shipping name, hazard class, packing group, required labels, and special provisions as they appear in the 49 CFR 172.101 table.
Example use cases
Shipping compliance check for gasoline
“I need the full 49 CFR 172.101 hazmat entry for UN1203 — proper shipping name, hazard class, packing group, labels, and special provisions — so I can fill out the shipping documentation correctly.”
Identify UN number from chemical name
“Can you search the US DOT dangerous goods table for 'acetone' and tell me its UN number, hazard class, and packing group?”
Audit freight manifest for hazmat labeling
“I have a shipment of ethanol — look up 'ethanol' in the 49 CFR 172.101 table and tell me what labels and special provisions apply so I can verify the freight manifest is correct.”
Technical details
Endpoint
GEThttps://api.tradeenergy-api.workers.dev/api/logistics/un-dangerous-goods?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need authoritative US DOT (49 CFR 172.101) hazardous materials classification data — proper shipping names, hazard classes, packing groups, labels, and special provisions — by UN number or name fragment. It is distinct from the UN Model Regulations list and is specifically the US regulatory table sourced live from eCFR. Prefer it over generic chemical databases when the use case involves US domestic freight compliance, shipping documentation, or DOT audit.
Side effects
- No matches found if the UN number is invalid or the name fragment is too vague or too short (fewer than 3 characters)
- Query string too long (over 60 characters) may be rejected
- Malformed UN number (non-4-digit input) may return empty results
- eCFR upstream data source unavailable causing stale or failed response
- Rate limiting or payment failure ($0.002 USDC per call via x402) blocking access
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 1,
"query": "1203",
"source": "https://www.ecfr.gov/api/versioner/v1/full/2026-10-15/title-49.xml?part=172§ion=172.101",
"matches": [
{
"name": "Gasoline includes gasoline mixed with ethyl alcohol, with not more than 10% alcohol",
"labels": "3",
"unNumber": "UN1203",
"hazardClass": "3",
"packingGroup": "II",
"specialProvisions": "144, 177, B1, B33, IB2, T4"
}
],
"checkedAt": "2026-10-23T09:37:56.428Z"
}
}Tags
x402
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