{"uid":"cap_J7wg0ezxe97TVLoqqDcXg","slug":"forgemesh-fuel-cost-lookup-39a9963f","name":"ForgeMesh Fuel Cost Lookup","description":"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.","url":"https://x402.forgemesh.io/fuel-cost-lookup","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"vin":{"type":"string","description":"VIN — decoded automatically (alternative to make/model/model_year)"},"make":{"type":"string","description":"e.g. Honda"},"model":{"type":"string","description":"e.g. Accord"},"model_year":{"type":"string","description":"4-digit year, 1984+"},"vehicle_id":{"type":"integer","description":"exact variant id from other_variants"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6j8TBj_rVx3LRc2K9pnrK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"What's the official annual fuel cost and combined MPG for a 2022 Honda Accord — I want to know what it'll cost me to run it per year at average gas prices?","exampleUseCases":[{"title":"Comparing car running costs before buying","prompt":"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?"},{"title":"Estimating yearly fuel bill from VIN","prompt":"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?"},{"title":"Fleet vehicle cost analysis","prompt":"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?"}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:47:01.704Z","isFirstParty":false}