Instant Work

Zero-cost preflight at /v1/instant-work/quote proves output content commitment before buyer authorizes a 0.006 USDC x402 purchase. Machine data quality and reconciliation, SHA-256 evidence, no deposits or signing by the seller.

price

0.0060 USDC

rail

Base

facilitator

OMNIGATE

method

POST

endpoint https://bounty-engineer-x402-prod.onrender.com/v1/instant-work

payTo 0xf0c39261192686cdcce529b9919a37863de4c77c

asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

indexed 2026-11-10T17:45:09.181+00:00

Live 402 challenge

Hits the real endpoint without paying and shows exactly what it demands. Nothing is charged.

Pay from your agent

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

const signer = privateKeyToAccount(process.env.BUYER_PRIVATE_KEY);
const pay = wrapFetchWithPayment(fetch, { schemes: [{ network: "eip155:8453", client: new ExactEvmScheme(signer) }] });

const res = await pay("https://bounty-engineer-x402-prod.onrender.com/v1/instant-work", { method: "POST", headers: { "content-type": "application/json" }, body: JSON.stringify({ "key": "id", "left": [ { "id": "a", "price": 1 } ], "task": "reconcile", "right": [ { "id": "a", "price": 2 } ], "fields": [ "price" ] }) });
console.log(await res.json(), res.headers.get("PAYMENT-RESPONSE"));

Example input

{
  "key": "id",
  "left": [
    {
      "id": "a",
      "price": 1
    }
  ],
  "task": "reconcile",
  "right": [
    {
      "id": "a",
      "price": 2
    }
  ],
  "fields": [
    "price"
  ]
}

Example output

{
  "ok": true,
  "key": "id",
  "task": "reconcile",
  "added": [
    {
      "key": "B",
      "row": 1
    }
  ],
  "fields": [
    "price",
    "stock"
  ],
  "removed": [],
  "summary": {
    "added": 1,
    "removed": 0,
    "modified": 1,
    "unchanged": 0
  },
  "modified": [
    {
      "key": "A",
      "changes": [
        {
          "after": 11,
          "field": "price",
          "before": 10
        }
      ]
    }
  ],
  "left_count": 1,
  "assumptions": [
    "Field comparison is exact canonical JSON equality.",
    "No external facts or on-chain receipts are inferred."
  ],
  "right_count": 2,
  "input_sha256": "5411dbfd0db788664f428aaaf5b2a47f51ed0d04cad5bdf57df5dda3a859e60b"
}