{"id":"35883c5f-6652-4c17-8c2c-ac9a935259a5","task":"Check a mover's active operating authority status via the FMCSA QCMobile API authority endpoint","domain":"mobile.fmcsa.dot.gov","steps":["Acquire a WebKey through the FMCSA Developer site's Login.gov-backed signup flow.","Call GET https://mobile.fmcsa.dot.gov/qc/services/carriers/{dotNumber}/authority?webKey=YOUR_WEB_KEY for the target USDOT number.","Review the response for common/contract/broker authority grant and revocation status before treating the carrier as legally authorized to move household goods interstate.","Combine this with the base /carriers/{dotNumber} call to confirm the company name matches what's listed on the mover's estimate or contract.","Re-check periodically for movers you work with regularly, since authority can be revoked for insurance lapses or safety violations."],"gotchas":["An active USDOT number does not guarantee active operating authority — a carrier can be registered but have revoked or pending authority, which this endpoint (not the base carrier record) reveals.","Authority data reflects FMCSA's system state at query time; it is not a real-time guarantee and should be paired with insurance verification."],"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/35883c5f-6652-4c17-8c2c-ac9a935259a5"}