StableUpload · 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://stableupload.dev/api/upload", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "contentType": "text/plain",
    "filename": "quick-note.txt",
    "tier": "short-10mb"
  }),
});
const data = await res.json();

curl -X POST \
  "https://stableupload.dev/api/upload" \
  -H "Content-Type: application/json" \
  -d '{"contentType":"text/plain","filename":"quick-note.txt","tier":"short-10mb"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "curlExample": "curl -X POST \"https://stableupload-prod.s3.us-east-1.amazonaws.com/\" -F \"key=uploads/2s42wjsk3a/quick-note.txt\" -F \"Content-Type=text/plain\" -F \"x-amz-algorithm=AWS4-HMAC-SHA256\" -F \"x-amz-credential=AKIAEXAMPLE/20260425/us-east-1/s3/aws4_request\" -F \"x-amz-date=20260425T160000Z\" -F \"policy=base64-policy\" -F \"x-amz-signature=hex-signature\" -F \"file=@quick-note.txt;type=text/plain\"",
  "expiresAt": "2026-05-02T16:00:00.000Z",
  "maxSize": 10485760,
  "postFields": {
    "Content-Type": "text/plain",
    "key": "uploads/2s42wjsk3a/quick-note.txt",
    "policy": "base64-policy",
    "x-amz-algorithm": "AWS4-HMAC-SHA256",
    "x-amz-credential": "AKIAEXAMPLE/20260425/us-east-1/s3/aws4_request",
    "x-amz-date": "20260425T160000Z",
    "x-amz-signature": "hex-signature"
  },
  "postUrl": "https://stableupload-prod.s3.us-east-1.amazonaws.com/",
  "publicUrl": "https://f.stableupload.dev/2s42wjsk3a/quick-note.txt",
  "uploadId": "2s42wjsk3a",
  "uploadMethod": "post",
  "uploadUrl": "https://stableupload-prod.s3.us-east-1.amazonaws.com/",
  "uploadUrlExpiresAt": "2026-04-25T16:15:00.000Z"
}