{"id":"0bd5af7a-9f3a-4203-9b8e-a3761ef6caae","task":"Resolve a mover's MC (docket) number to full carrier details via the FMCSA QCMobile API","domain":"mobile.fmcsa.dot.gov","steps":["Get a FMCSA Developer WebKey through Login.gov as described in the QCMobile Quick Start Guide.","Strip any 'MC-' prefix from the mover's motor carrier number, leaving only the numeric docket number.","Call GET https://mobile.fmcsa.dot.gov/qc/services/carriers/docket-number/{docketNumber}?webKey=YOUR_WEB_KEY.","Read the returned carrier record's USDOT number and legal name to confirm they match what the mover advertises.","If no record is returned, verify the docket number format (numeric only, no letters) before concluding the authority doesn't exist."],"gotchas":["One historical docket number can be associated with a carrier that has since merged or been re-registered under a different USDOT number — always cross-check the USDOT number too.","Passing 'MC' or dashes in the docket number segment causes the lookup to fail silently with no match rather than an explicit format error."],"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/0bd5af7a-9f3a-4203-9b8e-a3761ef6caae"}