Verifiable Random Tools · Shuffle

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://verifiable-random.use.x402atlas.com/shuffle", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "algorithm_version": "drand-hkdf-sha256-v1",
    "client_seed": "meeting-2026-07-30",
    "items": [
      "alice",
      "bob",
      "carol"
    ],
    "target_round": 0
  }),
});
const data = await res.json();

curl -X POST \
  "https://verifiable-random.use.x402atlas.com/shuffle" \
  -H "Content-Type: application/json" \
  -d '{"algorithm_version":"drand-hkdf-sha256-v1","client_seed":"meeting-2026-07-30","items":["alice","bob","carol"],"target_round":0}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "algorithm_version": "drand-hkdf-sha256-v1",
  "beacon": {
    "chain_hash": "52db9ba70e0cc0f6eaf7803dd07447a1f5477735fd3f661792ba94600c84e971",
    "network": "quicknet",
    "randomness": "1466a6cd24e327188770752f6134001c64d6efcc590ccc26b721611ad96f165a",
    "round": 1,
    "scheduled_time": "2023-08-23T15:09:27Z",
    "scheme": "bls-unchained-g1-rfc9380",
    "signature": "b55e7cb2d5c613ee0b2e28d6750aabbb78c39dcc96bd9d38c2c2e12198df95571de8e8e402a0cc48871c7089a2b3af4b"
  },
  "example_only": true,
  "operation": "shuffle",
  "processed_at": "2023-08-23T15:09:27Z",
  "request_hash": "83282c22b0a9bce6334f4fe72f37f8c0ce4347b561c2a70a392eae649665fc25",
  "result": {
    "items": [
      "bob",
      "carol",
      "alice"
    ],
    "original_indices": [
      1,
      2,
      0
    ]
  },
  "selection_mode": "example_only",
  "target_round": 1
}