Search hotels via Google Hotels (SerpApi)

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:4326",
    "payTo": "0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629",
    "asset": "0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7",
    "amount": "20000000000000000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "20000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "adults": "2",
          "checkInDate": "2026-04-15",
          "checkOutDate": "2026-04-18",
          "currency": "USD",
          "q": "hotels in Paris"
        },
        "type": "http"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "additionalProperties": false,
              "properties": {
                "adults": {
                  "default": "2",
                  "description": "Number of adults",
                  "type": "string"
                },
                "checkInDate": {
                  "description": "Check-in date (YYYY-MM-DD)",
                  "example": "2026-04-15",
                  "type": "string"
                },
                "checkOutDate": {
                  "description": "Check-out date (YYYY-MM-DD)",
                  "example": "2026-04-18",
                  "type": "string"
                },
                "children": {
                  "description": "Number of children",
                  "type": "string"
                },
                "currency": {
                  "default": "USD",
                  "description": "Currency code (e.g. USD, EUR)",
                  "type": "string"
                },
                "hotelClass": {
                  "description": "Star rating (2-5)",
                  "type": "string"
                },
                "maxPrice": {
                  "description": "Maximum price per night",
                  "type": "string"
                },
                "minPrice": {
                  "description": "Minimum price per night",
                  "type": "string"
                },
                "q": {
                  "description": "Search query — city name or hotel name",
                  "example": "hotels in Paris",
                  "type": "string"
                },
                "sortBy": {
                  "description": "3=Lowest price, 8=Highest rating, 13=Most reviewed",
                  "type": "string"
                }
              },
              "required": [
                "q",
                "checkInDate",
                "checkOutDate"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://x402engine.app/api/travel/hotels"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://x402engine.app/api/travel/hotels");
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://x402engine.app/api/travel/hotels")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header