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Aviation & Transport

FMCSA Out-of-Service Status

GET/v1/aviation/fmcsa/carrier/{dotNumber}/out-of-service$0.01 per call

Out-of-service orders on record and whether any is currently in force (rescinded orders are excluded). Source: the public FMCSA datasets on data.transportation.gov (no API key). If the FMCSA data service cannot be reached the response is 502, never an assumed "verified".

Parameters

NameInTypeDescription
dotNumberrequiredpathstring

Response fields

FieldTypeDescription
successboolean
dotNumberstring
foundboolean

Fields are read from a real response captured 2026-11-04. Optional fields may be absent in other responses.

Errors

  • 400 invalid request
  • 401 missing or bad key
  • 403 not in your plan
  • 429 rate limited, see Retry-After
  • 402 payment required
  • 502 data source unavailable
  • 5xx retry with backoff

Error bodies and codes are described in Error codes and troubleshooting.