ToolVet
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Crypto Price

by Crypto price in Onchain & crypto

x402 APIPassing, checked 3 min ago

Crypto token price in USD, read on chain from Chainlink price feeds on Ethereum: pass ?symbols=ETH,BTC,SOL (up to 5) and get each price with its feed address, round id and how old the round is, so the number can be checked. Feeds are found by their public ENS names; a retired or unknown feed is refused before any charge.

GET
https://apexfaucet.xyz/api/x402/crypto-price
Price
$0.001
per call in USDC
Uptime
100%
last 30 days
Response time
441 ms
1.8 s slowest 5%
Last check
Passed
3 min ago, next in 28 min

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed · Watch with other listings

How to call it

GET https://apexfaucet.xyz/api/x402/crypto-price

Each call costs $0.001 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.

GET https://apexfaucet.xyz/api/x402/crypto-price?symbol=ETH&symbols=ETH%2CBTC

Parameters

ParameterTypeRequiredDescription
symbolstringNoOne ticker (or use symbols).
symbolsstringNoOne to five tickers, comma separated: ETH, BTC, SOL, BNB, LINK...

Example response

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

Example response, 30 lines
{
  "data": {
    "block": 26184763,
    "blockTime": "2026-10-13T16:27:59.000Z",
    "ok": true,
    "prices": [
      {
        "ageSeconds": 948,
        "feed": "0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419",
        "pair": "ETH / USD",
        "roundId": "129127208515966895901",
        "symbol": "ETH",
        "updatedAt": "2026-10-13T16:12:23.000Z",
        "usd": 2518.0948
      },
      {
        "ageSeconds": 936,
        "feed": "0xF4030086522a5bEEa4988F8cA5B36dbC97BeE88c",
        "pair": "BTC / USD",
        "roundId": "129127208515966886408",
        "symbol": "BTC",
        "updatedAt": "2026-10-13T16:12:35.000Z",
        "usd": 83378.84901831
      }
    ],
    "source": "Chainlink price feeds on Ethereum, located by ENS (<symbol>-usd.data.eth)"
  },
  "ok": true,
  "paid": 0.001
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.001.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://apexfaucet.xyz/api/x402/crypto-price?symbol=ETH&symbols=ETH%2CBTC'

# 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 - 'https://apexfaucet.xyz/api/x402/crypto-price?symbol=ETH&symbols=ETH%2CBTC' \
  | 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 $0.001 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.001" });
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 $0.001 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapexfaucet.xyz%2Fapi%2Fx402%2Fcrypto-price
const res = await pay("https://apexfaucet.xyz/api/x402/crypto-price?symbol=ETH&symbols=ETH%2CBTC");
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 $0.001 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.001"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://apexfaucet.xyz/api/x402/crypto-price?symbol=ETH&symbols=ETH%2CBTC")
    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
3 min agoPassed402310 ms$0.001
5 h agoPassed402985 ms$0.001
10 h agoPassed402362 ms$0.001
14 h agoPassed402376 ms$0.001
19 h agoPassed402451 ms$0.001
Show 10 older checks
24 h agoPassed402326 ms$0.001
28 h agoPassed4021.8 s$0.001
32 h agoPassed402411 ms$0.001
36 h agoPassed402744 ms$0.001
41 h agoPassed402425 ms$0.001
45 h agoPassed402506 ms$0.001
2 days agoPassed402441 ms$0.001
2 days agoPassed402541 ms$0.001
2 days agoPassed402980 ms$0.001
3 days agoPassed402435 ms$0.001