Api Endpoint

x402.forgemesh.io

MPG lookup for any US-market car since 1984: official test-cycle city, highway, and combined miles per gallon plus fuel type and CO2 per mile, by year/make/model or VIN. Multiple engine/transmission variants are returned with ids so you can query the exact one. Clean structured JSON.

Open interactive test console

Offering

Provider
x402.forgemesh.io
Method
POST
Offering type
Api Endpoint
Transport type
http
Category
Business And Commerce
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://x402.forgemesh.io/car-mpg-lookup
MIME type
application/json
First seen
2026-10-16T01:54:06.400Z
Last seen
Tags
None supplied

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432"
  }
]

Observed health

Status
Healthy
Latest latency
262 ms
Average latency
189 ms
HTTP status
200
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "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"
        }
      }
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object"
    }
  },
  "required": [
    "type"
  ]
}