Convert supplied article HTML to cleaned Markdown with text, heading, link and code checks

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x9b3b469b4219395ebb68e750e04a1835ec75a549",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "html": "<article><h1>Example</h1><p>A short article.</p></article>"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "markdown": "# Example\n\nA short article.",
          "receipt_status": "confirmed",
          "replayed": false,
          "report": {
            "conversion_ms": 0,
            "images_as_alt": 0,
            "input_bytes": 58,
            "output_bytes": 27,
            "output_sha256": "fb5041624c41a3709eca667dbbc7743c8ee25ad201b7c0788a654f19d69774d7",
            "relative_links_as_text": 0,
            "removed": {
              "aside": 0,
              "footer": 0,
              "nav": 0,
              "noscript": 0,
              "script": 0,
              "style": 0,
              "template": 0
            },
            "scope": "article",
            "unsafe_links_as_text": 0,
            "verification": "text+headings+links+code-roundtrip",
            "verification_ms": 0
          },
          "transaction": "0x0000000000000000000000000000000000000000000000000000000000000000"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "html": {
                  "description": "One article/main; at most 131072 UTF-8 bytes. No URL fetching.",
                  "maxLength": 131072,
                  "minLength": 1,
                  "type": "string"
                }
              },
              "required": [
                "html"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "markdown": {
                  "maxLength": 262144,
                  "type": "string"
                },
                "receipt_status": {
                  "const": "confirmed"
                },
                "replayed": {
                  "type": "boolean"
                },
                "report": {
                  "properties": {
                    "input_bytes": {
                      "maximum": 131072,
                      "type": "integer"
                    },
                    "output_bytes": {
                      "maximum": 262144,
                      "type": "integer"
                    },
                    "output_sha256": {
                      "pattern": "^[a-f0-9]{64}$",
                      "type": "string"
                    },
                    "verification": {
                      "const": "text+headings+links+code-roundtrip"
                    }
                  },
                  "required": [
                    "verification",
                    "output_sha256",
                    "input_bytes",
                    "output_bytes"
                  ],
                  "type": "object"
                },
                "transaction": {
                  "pattern": "^0x[0-9a-fA-F]{64}$",
                  "type": "string"
                }
              },
              "required": [
                "markdown",
                "report",
                "replayed",
                "receipt_status",
                "transaction"
              ],
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://m2m.sgfleetmedia.com/v1/article-markdown"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://m2m.sgfleetmedia.com/v1/article-markdown");
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://m2m.sgfleetmedia.com/v1/article-markdown")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header