80trust / 100

Roll

by Roll in Onchain & crypto

x402 APIPassing, checked 2 h ago

Verifiable RNG — cryptographically-random integer(s) signed by the treasury key. Drop-in VRF for game studios. $0.001 USDC.

POST https://api.anchor-x402.com/v1/roll

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
672 ms typical, 672 ms slowest 5%
Last check
2 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.anchor-x402.com/v1/roll" \
  -H "content-type: application/json" \
  -d '{"count":1,"high":100,"label":"treasure_drop_42","low":1}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.anchor-x402.com%2Fv1%2Froll
const res = await pay("https://api.anchor-x402.com/v1/roll", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"count":1,"high":100,"label":"treasure_drop_42","low":1}),
});
console.log(await res.json());

Example input

{
  "count": 1,
  "high": 100,
  "label": "treasure_drop_42",
  "low": 1
}

Example output

{
  "commitment": null,
  "count": 1,
  "domain": "anchor-x402/roll/v1",
  "input_hash": "f4a1c5e3b9d8a2e0c7b4f6d9e1a3c8b5f7d2e4a9c1b6e8f3d5a7c2b4e9f1d6a8",
  "label": "treasure_drop_42",
  "range": [
    1,
    100
  ],
  "result": [
    47
  ],
  "result_hash": "8a6d1f9e4b2c7a3e5f0c9b8a4d2f6e1c3b7a5f9d2e8c4b6a1f3e7d5c9b2a4f6e",
  "scheme": "eip191",
  "signature": "0x6b3e2a7c…",
  "signer": "0x127462e296fAc1A7F5cF33bA57bB2f0FFf5cD0B6"
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402672 ms$0.001
7 h agoPassed402762 ms$0.001