Calculate Fuel Surcharge

Standalone fuel surcharge calculation using the ATA/DOE formula with PADD regional diesel pricing from EIA weekly data. Use case: carriers verifying FSC charges, shippers auditing invoices, fleet managers tracking surcharge trends.

Authentication

AuthorizationBearer

Your Freight Rate Intelligence API key. Get one at freightrateintelligence.com/dashboard/settings

Request

This endpoint expects an object.
originstringOptional

Origin city/state for PADD regional diesel pricing. More accurate than region.

regionenumOptionalDefaults to NATIONAL
PADD region name or number. Used when origin is not provided.
formulaenumOptionalDefaults to PER_MILE

PER_MILE: ATA/DOE standard, returns FSC per mile. Best for FTL. PERCENTAGE: Returns surcharge as % of base freight charge. Best for LTL.

Allowed values:
equipmentenumOptionalDefaults to DRY_VAN

Equipment type affects MPG used in per-mile formula.

milesdoubleOptional

Route miles. Required for per-mile total FSC calculation. Optional for percentage formula.

base_freight_chargedoubleOptional

Total freight charge in USD. Required for percentage formula. Replaces deprecated ‘base_rate’.

baselinedoubleOptionalDefaults to 1.25

Baseline diesel price for ATA/DOE formula. Industry standard is $1.25.

mpg_divisordoubleOptionalDefaults to 6

MPG divisor for ATA/DOE formula. Defaults to equipment MPG (e.g. 6.5 for DRY_VAN).

Response

Fuel surcharge calculation with receipt
okboolean
dataobject

Skill-specific response data

receipt_idstring
auth_obj_idstring

Errors

400
Bad Request Error
401
Unauthorized Error
403
Forbidden Error
429
Too Many Requests Error
500
Internal Server Error