Extracts all fields used for a page's share previews: the lightweight cards that represent

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xffA9155A0e4B3d8d42351Da226cC1feEe449686f",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "46vMcwuC4sK11sB3gkLhyA7J7GEwfkhn5rFyDtihBwqe",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "url": "https://github.com"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "results": [
            {
              "data": {
                "description": "",
                "favicons": [],
                "minifetchCache": {
                  "cachedAt": "",
                  "expiresAt": "",
                  "hit": false
                },
                "og:description": "",
                "og:image": "",
                "og:site_name": "",
                "og:title": "",
                "og:type": "",
                "og:url": "",
                "proxy": {
                  "proxyType": "",
                  "proxyUrl": null,
                  "robotsTxt": {
                    "allowed": false
                  },
                  "userAgent": ""
                },
                "requestUrl": "",
                "title": "",
                "twitter:card": "",
                "twitter:image": "",
                "twitter:title": "",
                "url": ""
              }
            }
          ],
          "success": true
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "url": {
                  "description": "The URL from which to extract the preview.",
                  "type": "string"
                }
              },
              "required": [
                "url"
              ]
            },
            "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": {
                "results": {
                  "description": "Array of preview objects with requestUrl, final url, and relevant fields: favicons, title, description, Open Graph, and twitter tags. Lightweight metadata extraction for token efficiency",
                  "type": "array"
                },
                "success": {
                  "type": "boolean"
                }
              },
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://minifetch.com/api/v1/x402/extract/url-preview"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

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