0000402 · Upload

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://tempfile.0000402.xyz/upload", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "content_type": "image/png",
    "data_base64": "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQI12NgAAIABQ==",
    "filename": "chart.png"
  }),
});
const data = await res.json();

curl -X POST \
  "https://tempfile.0000402.xyz/upload" \
  -H "Content-Type: application/json" \
  -d '{"content_type":"image/png","data_base64":"iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAC0lEQVQI12NgAAIABQ==","filename":"chart.png"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "content_type": "image/png",
  "expires_at": "2026-03-10T13:00:00+00:00",
  "filename": "chart.png",
  "message": "File stored. Available at GET /file/a1b2c3d4-e5f6-7890-abcd-ef1234567890 for 7 days.",
  "size_bytes": 12345,
  "token": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "url": "/file/a1b2c3d4-e5f6-7890-abcd-ef1234567890"
}