Cross-region AWS price comparison

[
  {
    "scheme": "exact",
    "network": "base",
    "payTo": "0x318A4B4764eb37c3FCBcE434713128143815FD57",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana",
    "payTo": "GsKr5q9TmiJQcEgUpBp2X6SmvSg3dnXuw2uxYJxgPTk8",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "instance": "m5.xlarge",
          "service": "ec2"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "all_regions": [
            {
              "price_per_unit": 0.192,
              "region": "us-east-2"
            }
          ],
          "cheapest": {
            "price_per_unit": 0.192,
            "region": "us-east-2",
            "unit": "Hrs"
          },
          "most_expensive": {
            "price_per_unit": 0.268,
            "region": "ap-southeast-3"
          },
          "regions_compared": 24,
          "savings_vs_most_expensive": "28%",
          "service": "ec2",
          "sku": "m5.xlarge"
        },
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "all_regions": {
          "type": "array"
        },
        "cheapest": {
          "type": "object"
        },
        "most_expensive": {
          "type": "object"
        },
        "regions_compared": {
          "type": "integer"
        },
        "savings_vs_most_expensive": {
          "type": "string"
        },
        "service": {
          "type": "string"
        },
        "sku": {
          "type": "string"
        }
      },
      "type": "object"
    }
  }
}

curl "https://costpulse.waltsoft.net/v1/cheapest"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://costpulse.waltsoft.net/v1/cheapest");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://costpulse.waltsoft.net/v1/cheapest")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header