Upload a file and get a temporary signed URL

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x34D3eD2c5Fc6D6A0F25d1Aad77193a8AA88A52b5",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "eip155:137",
    "payTo": "0x34D3eD2c5Fc6D6A0F25d1Aad77193a8AA88A52b5",
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "CvraJ4avKPpJNLvMhMH5ip2ihdt85PXvDwfzXdziUxRq",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "input": {
            "description": "Upload a raw file as the request body. Set Content-Type to the file's MIME type. Optionally set X-Filename header.",
            "required": true,
            "type": "string"
          }
        },
        "bodyType": "raw",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "type": "json"
      }
    },
    "schema": {
      "properties": {
        "input": {
          "properties": {
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            }
          },
          "required": [
            "method"
          ]
        }
      }
    }
  }
}

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

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