ToolVet
16trust / 100

Crate Package

by Vextorium in Developer tools

x402 APIFailing, checked 4 h ago

Rust crate profile from crates.io: version, description, license, repository, docs, total and recent downloads, minimum Rust version, keywords and dates.

POST https://api.vextorium.com/v1/crate-package

Last 30 days

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

Uptime
0.0%
Response time
- typical, - slowest 5%
Last check
4 h ago: Amount "0.003" is not in atomic token units
Next check
any minute now

How to call it

POST https://api.vextorium.com/v1/crate-package

Each call costs $0.003 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://api.vextorium.com/v1/crate-package
content-type: application/json

{
  "name": "serde"
}

Parameters

ParameterTypeRequiredDescription
namestringYes

Example response

The provider's example. We can't check it without paying.

{
  "crate": "serde",
  "created": "2014-12-05T20:20:39.487502Z",
  "description": "A generic serialization/deserialization framework",
  "documentation": "https://docs.rs/serde",
  "keywords": [
    "no_std",
    "serde"
  ],
  "last_version": "1.0.229",
  "license": "MIT OR Apache-2.0",
  "min_rust": "1.56",
  "recent_downloads_90d": 339082120,
  "repository": "https://github.com/serde-rs/serde",
  "source": "crates.io",
  "total_downloads": 1472539969,
  "updated": "2026-07-18T23:05:13.266456Z",
  "versions": 316
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.003.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.vextorium.com/v1/crate-package' \
  -H 'content-type: application/json' \
  --data-raw '{"name":"serde"}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://api.vextorium.com/v1/crate-package' \
  -H 'content-type: application/json' \
  --data-raw '{"name":"serde"}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.003" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.vextorium.com%2Fv1%2Fcrate-package&method=POST
const res = await pay("https://api.vextorium.com/v1/crate-package", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "name": "serde"
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.vextorium.com/v1/crate-package",
        json={
            "name": "serde",
        },
    )
    print(res.status_code, res.text)

Security scan

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

Recent checks

WhenResultHTTPTimePrice
4 h agoAmount "0.003" is not in atomic token units402104 ms$0.003
8 h agoAmount "0.003" is not in atomic token units40280 ms$0.003
13 h agoAmount "0.003" is not in atomic token units40282 ms$0.003
17 h agoAmount "0.003" is not in atomic token units40275 ms$0.003
21 h agoAmount "0.003" is not in atomic token units40293 ms$0.003
26 h agoAmount "0.003" is not in atomic token units402142 ms$0.003
30 h agoAmount "0.003" is not in atomic token units40285 ms$0.003
34 h agoAmount "0.003" is not in atomic token units40272 ms$0.003
38 h agoAmount "0.003" is not in atomic token units40278 ms$0.003
42 h agoAmount "0.003" is not in atomic token units40276 ms$0.003
46 h agoAmount "0.003" is not in atomic token units40279 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40287 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40277 ms$0.003
2 days agoAmount "0.003" is not in atomic token units40273 ms$0.003
3 days agoAmount "0.003" is not in atomic token units40280 ms$0.003