# ForgeMesh Fuel Cost Lookup

> 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 2026-09-15).

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.

## Facts

- Endpoint: POST https://x402.forgemesh.io/fuel-cost-lookup
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/forgemesh-fuel-cost-lookup-39a9963f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_J7wg0ezxe97TVLoqqDcXg

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability forgemesh-fuel-cost-lookup-39a9963f -d '<json body>'
```

Example prompt: 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?

## When to prefer this

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.

## Known failure modes

- 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

## 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.

## Request schema (JSON Schema)

```json
{
 "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"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/forgemesh-fuel-cost-lookup-39a9963f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.forgemesh.io](https://www.zero.xyz/host/x402.forgemesh.io/llms.txt)