v1
latestOpenAPI 3.1.02026-07-13255378.3 KBGet carrier change-event and authority timeline
Merged chronological feed of carrier change events and authority history. Combines field-level changes from monthly FMCSA census diffs (contact, address, fleet, operations, authority, people) with authority history records.
get/v1/carriers/{dot_number}/timeline
Path parameters
dot_numberstring required
The carrier's USDOT number
Query parameters
limitinteger
Max results (default: 50, max: 200)
offsetinteger
Number of results to skip (default: 0)
categorystring
Comma-separated categories: contact, address, fleet, operations, authority, people
date_fromstring date
Start date (ISO date)
date_tostring date
End date (ISO date)
Response
Merged timeline of change events and authority actions