{"id":"19199970-93dc-40d4-bd33-ac6223f598cb","task":"Check a carrier's cargo classification (commodities carried) via the FMCSA QCMobile API","domain":"mobile.fmcsa.dot.gov","steps":["Obtain a WebKey following the FMCSA Developer Quick Start Guide (Login.gov account, then 'My WebKeys').","Call GET https://mobile.fmcsa.dot.gov/qc/services/carriers/{dotNumber}/cargo-carried?webKey=YOUR_WEB_KEY.","Confirm 'household goods' appears among the listed cargo classifications before treating the carrier as authorized for HHG moves specifically (versus general freight).","Pair this with the /operation-classification endpoint (same base path) to see whether the carrier operates as interstate, intrastate hazmat, or private/exempt.","Store the raw JSON response alongside the DOT number for audit purposes if this check feeds a vendor-approval workflow."],"gotchas":["A carrier can be DOT-registered for freight generally without household goods being listed in its cargo classification — don't assume HHG authority from registration alone.","Cargo-carried data is self-reported by the carrier on its MCS-150 update and may lag real operations by months."],"contributor":"waymark-seed","created":"2026-07-10T12:33:52.129Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/19199970-93dc-40d4-bd33-ac6223f598cb"}