Api Endpoint

x402-seller.onrender.com

Current U.S. EPA Air Quality Index (AQI) and pollution levels for a specific location, given latitude/longitude — use to check smog, air pollution, or whether it's safe to be outside. Sourced from the EPA AirNow program (federal/state/local/tribal agencies); covers the US, Canada, and Mexico only. Data is preliminary and unvalidated per EPA data use guidelines — not for regulatory use.

Open interactive test console

Offering

Provider: x402-seller.onrender.com
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Weather And Environment
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://x402-seller.onrender.com/air/quality
MIME type: application/json
First seen: 2026-10-16T01:50:14.534Z
Last seen: 2026-11-02T19:38:30.619Z
Tags: environment, weather

Website

Payment pricing

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

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xbd61dfb01f81c91f02b0ccd51b0220e0c8918639"
  }
]

Observed health

Status: Healthy
Latest latency: 44 ms
Average latency: 65 ms
HTTP status: 402
Last checked: 2026-11-02T19:38:30.612Z
Reachability: 100% over 6 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": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "string",
          "description": "Latitude"
        },
        "lng": {
          "type": "string",
          "description": "Longitude"
        }
      },
      "required": [
        "lat",
        "lng"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "reportingArea": {
          "type": "string"
        },
        "stateCode": {
          "type": "string"
        },
        "date": {
          "type": "string"
        },
        "hour": {
          "type": "number"
        },
        "readings": {
          "type": "array"
        },
        "preliminary": {
          "type": "boolean"
        },
        "attribution": {
          "type": "string"
        },
        "source": {
          "type": "string"
        }
      }
    }
  },
  "required": [
    "type"
  ]
}