Api Endpoint

web-production-18a32.up.railway.app

Air quality index (PM2.5, PM10, ozone, NO2) by city.

Open interactive test console

Offering

Provider: web-production-18a32.up.railway.app
Method: POST
Offering type: Api Endpoint
Transport type: http
Category: Api
Delivery: Not provided
Pricing model: Not provided
x402 version: 2

Endpoint context

URL: https://web-production-18a32.up.railway.app/air-quality
MIME type: Not provided
First seen: 2026-10-16T02:52:34.600Z
Last seen: 2026-11-02T02:41:20.739Z
Tags: Search, Utility

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": "0xFFc458dB291b4ABcE020fE3de4f91F2770E537b1"
  }
]

Observed health

Status: Healthy
Latest latency: 98 ms
Average latency: 365 ms
HTTP status: 402
Last checked: 2026-11-02T02:41:20.734Z
Reachability: 100% over 13 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",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "type": "object",
      "properties": {
        "location": {
          "type": "string",
          "description": "City or place name."
        }
      },
      "required": [
        "location"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

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