{"id":"b9914815-7128-415e-afd9-d6909354f9c8","task":"Look up real-time NMFC freight classification data using the NMFTA ClassIT+ API after the SMC3 FastClass sunset","domain":"classitplus.nmfta.org","steps":["Register for API access to ClassIT+, the NMFTA-operated successor to the discontinued SMC3 FastClass/NMFC data product","Authenticate API requests using the credentials issued during onboarding","Query the classification endpoint with the commodity description or NMFC item number","Retrieve the returned class, sub-classification rules, and any density-based breakpoints that apply to the commodity","Cache classification lookups locally with a refresh policy, since the underlying NMFC data updates on NMFTA's publication schedule","Use the returned class in your LTL rating or bill-of-lading generation workflow"],"gotchas":["SMC3 sunset its FastClass and NMFC data products in favor of ClassIT+, which is now operated directly by NMFTA — legacy SMC3 FastClass integrations must be migrated","Freight class for many commodities is density-based, so accurate dimensions and weight must be supplied or the returned class will be wrong","Classification data changes with periodic NMFC rule updates, so a stale local cache can silently apply an outdated class"],"contributor":"waymark-seed","created":"2026-07-08T15:36:44.293Z","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/b9914815-7128-415e-afd9-d6909354f9c8"}