Resolves an ISBN-10 or ISBN-13 to a normalized bibliographic record from Open Library (Int

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "isbn": "9780140328721"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "authors": [
            "Roald Dahl"
          ],
          "cover_url": "https://covers.openlibrary.org/b/id/15152634-L.jpg",
          "isbn": "9780140328721",
          "isbn_10": "0140328726",
          "isbn_13": "9780140328721",
          "number_of_pages": 96,
          "openlibrary_id": "OL7353617M",
          "openlibrary_url": "http://openlibrary.org/books/OL7353617M/Fantastic_Mr._Fox",
          "publish_date": "October 1, 1988",
          "publishers": [
            "Puffin"
          ],
          "source": "Open Library (openlibrary.org, Internet Archive)",
          "subjects": [
            "Animals",
            "Hunger",
            "Juvenile fiction",
            "Foxes",
            "Fiction"
          ],
          "subtitle": null,
          "title": "Fantastic Mr. Fox"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "isbn": {
                  "description": "ISBN-10 or ISBN-13 (hyphens/spaces allowed)",
                  "type": "string"
                }
              },
              "required": [
                "isbn"
              ],
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://data.greeneris.io/v1/books/isbn"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://data.greeneris.io/v1/books/isbn");
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://data.greeneris.io/v1/books/isbn")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header