Extract full text content from specific URLs

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xe9030014F5DAe217d0A152f02A043567b16c1aBf",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "3000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "bodyFields": {
          "urls": {
            "description": "URLs to fetch content from (1–100). Total cost = urls.length × $0.002.",
            "type": "array"
          }
        },
        "discoverable": true,
        "method": "POST",
        "type": "http"
      },
      "output": null
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "body": {
              "properties": {
                "urls": {
                  "description": "URLs to fetch content from (1–100). Total cost = urls.length × $0.002.",
                  "type": "array"
                }
              },
              "required": [
                "urls"
              ],
              "type": "object"
            }
          },
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "results": {
                  "type": "array"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      },
      "type": "object"
    }
  }
}

curl "https://blockrun.ai/api/v1/exa/contents"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://blockrun.ai/api/v1/exa/contents");
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://blockrun.ai/api/v1/exa/contents")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header