{"contact":"hello@dgdataapi.com","disclaimer":"Reference data derived from 49 CFR; not legal or transportation advice. Shipper is responsible for verification and compliance.","endpoints":{"GET /v1/lithium-batteries/classify":{"example":"/v1/lithium-batteries/classify?chemistry=ion&unit=battery&watt_hours=95&configuration=in_equipment","params":{"batteries_net_kg":"number, optional","chemistry":"ion | metal","configuration":"alone | with_equipment | in_equipment","lithium_grams":"number (metal)","package_gross_kg":"number, optional","packages_in_consignment":"int, optional","unit":"cell | battery","units_per_package":"int, default 1","watt_hours":"number (ion)"}},"GET /v1/materials/<un>":"full 172.101 HMT entry (try UN3481)","GET /v1/materials/<un>/limited-quantity":"packaging-exception / LQ status","GET /v1/materials/<un>/shipping-description":"sequenced 172.202 basic description","GET /v1/materials/search?q=":"substring search on shipping name","GET /v1/openapi.json":"OpenAPI 3.0 spec","GET /v1/special-provisions/<code>":"text of a 172.102 special provision"},"name":"DG Data API","rate_limit":"60 requests / 60s per IP (free launch tier)","version":"0.1"}