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ForgeMesh Fuel Cost Lookup
x402
ForgeMesh Fuel Cost Lookup is a paid API for AI agents from x402.forgemesh.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-29).
Returns official fuel economy (combined MPG), annual fuel cost estimate at average prices and 15,000 miles/year, and CO2 emissions per mile for a specific vehicle, queryable by year/make/model, VIN, or variant ID.
Price / call$0.005
Success—
StatusUnknown
How this service works
Annual fuel cost estimate for a specific vehicle: official fuel-economy record with combined MPG and a yearly fuel cost figure at average prices and 15,000 miles/year, plus CO2 emissions per mile. Compare candidate vehicles' running costs in one call each. Query by year/make/model, VIN, or variant id.
Output
Returns the official fuel economy record for the matched vehicle including: combined MPG rating, estimated annual fuel cost (based on average US gas prices and 15,000 miles/year), and CO2 emissions per mile. If multiple variants exist, may return a list of variant IDs for disambiguation.
Example use cases
Comparing car running costs before buying
“I'm deciding between a 2023 Toyota RAV4 and a 2023 Ford Escape — can you pull the official annual fuel cost and MPG for each so I can compare what I'd spend on gas every year?”
Estimating yearly fuel bill from VIN
“I just got a quote on a used car with VIN 1HGBH41JXMN109186 — can you look up the official fuel economy and annual fuel cost estimate for it so I know what I'm getting into?”
Fleet vehicle cost analysis
“We're evaluating a 2021 Chevrolet Equinox for our company fleet — what's the official combined MPG, estimated annual fuel cost, and CO2 emissions per mile for that vehicle?”
Technical details
Endpoint
POSThttps://x402.forgemesh.io/fuel-cost-lookup?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need official EPA-sourced fuel economy data (combined MPG, annual fuel cost at standard assumptions, CO2/mile) for a specific vehicle. Ideal for vehicle cost comparisons, fleet analysis, or pre-purchase due diligence. Prefer this over generic web search when you need structured, reliable fuel economy figures in a single call. Supports VIN-based lookup for precision when the exact vehicle is known.
Side effects
- Vehicle not found for given make/model/year combination — returns error or empty result
- Invalid or undecodable VIN — returns decode error
- Model year out of supported range (pre-1984) — returns error
- Ambiguous query matching multiple variants — may require vehicle_id for precision
- Payment failure (insufficient USDC) — returns 402 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| vin | string | VIN — decoded automatically (alternative to make/model/model_year) |
| make | string | e.g. Honda |
| model | string | e.g. Accord |
| model_year | string | 4-digit year, 1984+ |
| vehicle_id | integer | exact variant id from other_variants |
Output
Schema · Response
{
"type": "json",
"example": {
"offers": {
"note": "Our data above is free public NHTSA/EPA data for the model year. Whether THIS VIN was wrecked, flooded, rolled back or branded salvage lives in licensed title databases; these partners sell that per VIN.",
"disclosure": "Affiliate links: they fund the free data; the price is the same for you.",
"history_reports": [
{
"url": "https://forgemesh.io/go/epicvin",
"adds": "title brands, accidents, odometer readings, prior sales",
"label": "EpicVIN vehicle history report",
"partner": "epicvin",
"pricing": "per report"
},
{
"url": "https://forgemesh.io/go/dvh",
"adds": "title brands, accident and damage records, odometer readings, prior sales",
"label": "Detailed Vehicle History report (10% off)",
"partner": "dvh",
"pricing": "per report, coupon applied"
}
]
},
"attribution": "US DOE/EPA fuel economy database (public domain)",
"fuel_economy": {
"city_mpg": 26,
"fuel_type": "Regular",
"highway_mpg": 35,
"combined_mpg": 29,
"annual_fuel_cost_usd": 1600,
"co2_tailpipe_g_per_mi": 302
},
"matched_variant": {
"vehicle_id": 42069,
"description": "2020 Honda Accord — Man 6-spd 1.5L"
}
}
}Tags
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