$0.1
per call · USD Coin on Base
Signed ALLOW/WARN/BLOCK on installing a package@version: OSV.dev malicious-corpus + typosquat distance + registry signals. Verify before you install.
Endpoint
POST https://x402.payperbyte.io/feeds/pkg-verdict1
Calls / 30d
1
Unique payers / 30d
Aug 17
Last called
exact
Payment scheme
Call this service
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://x402.payperbyte.io/feeds/pkg-verdict", {
method: "POST",
headers: { "Content-Type": "application/json" },
body: JSON.stringify({
"ecosystem": "npm",
"package": "left-pad"
}),
});
const data = await res.json();curl -X POST \
"https://x402.payperbyte.io/feeds/pkg-verdict" \
-H "Content-Type: application/json" \
-d '{"ecosystem":"npm","package":"left-pad"}' \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"_note": "Illustrative response shape — not a live answer. ALLOW/WARN/BLOCK is a screening signal. The embedded EIP-712 receipt (domain chainId 421614 = Arbitrum Sepolia, a frozen signing namespace, not a settlement rail) proves who signed the exact answer bytes — not that the verdict is correct.",
"answer": {
"methodology": "pv-v1",
"query": {
"ecosystem": "npm",
"package": "left-pad",
"version": null,
"version_requested": null
},
"reasons": [
"illustrative — real answers cite the pv-v1 OSV.dev / typosquat / registry / known-bad signals judged"
],
"score": 96,
"v": "pkg-verdict/v1",
"verdict": "ALLOW"
},
"attestation": {
"domain": {
"chainId": 421614,
"name": "BYTE Library",
"version": "1"
},
"payloadHash": "0x…",
"signature": "0x…",
"signer": "0x…"
}
}Payment details
0xffff4b8da8c165b556326453446f6940c8afe0dbUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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