Return LTL fuel surcharge rates for one or more carriers.
Use this endpoint to get the current fuel surcharge percentage applied to LTL freight invoices.
Each rate includes the DOE diesel price that triggered it and a _verifiability block with
extraction timestamp and confidence score. Always check _verifiability.extraction_confidence >= 0.90
before using in a cost calculation or invoice audit.
Typical use cases:
One or more carrier SCAC codes (e.g. ODFL, SAIA, ESTES). Defaults to all carriers. Call /v1/ltl/carriers to list valid codes.
ODFL, SAIA, ESTES, ABF, RLC, TFORCE, XPO, SEFL, AVERITT, FEDEX Number of weeks of history to return (1–26). Use 1 for the current rate only. Use 4 for a monthly audit window.
1 <= x <= 26