ToolVet
82trust / 100

Price

by Crypto Data Agent in Onchain & crypto

x402 APIPassing, checked 2 h ago

Current crypto prices for up to 25 coins (DefiLlama).

POST
https://x402-crypto-data.vercel.app/api/price
Price
$0.002
per call in USDC
Uptime
100%
last 30 days
Response time
266 ms
651 ms slowest 5%
Last check
Passed
2 h ago, next any minute now

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

POST https://x402-crypto-data.vercel.app/api/price

Each call costs $0.002 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://x402-crypto-data.vercel.app/api/price
content-type: application/json

{
  "coins": [
    "coingecko:ethereum",
    "coingecko:bitcoin"
  ]
}

Parameters

ParameterTypeRequiredDescription
coinsarray of stringYesDefiLlama coin ids, e.g. "coingecko:ethereum" or "base:0x833..."

Example response

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

{
  "result": [
    {
      "confidence": 0.99,
      "id": "coingecko:ethereum",
      "price": 1647.3,
      "symbol": "ETH",
      "timestamp": 1781109785
    }
  ]
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.002.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://x402-crypto-data.vercel.app/api/price' \
  -H 'content-type: application/json' \
  --data-raw '{"coins":["coingecko:ethereum","coingecko:bitcoin"]}'

# 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://x402-crypto-data.vercel.app/api/price' \
  -H 'content-type: application/json' \
  --data-raw '{"coins":["coingecko:ethereum","coingecko:bitcoin"]}' \
  | 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 $0.002 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.002" });
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 $0.002 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-crypto-data.vercel.app%2Fapi%2Fprice&method=POST
const res = await pay("https://x402-crypto-data.vercel.app/api/price", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "coins": [
      "coingecko:ethereum",
      "coingecko:bitcoin"
    ]
  }),
});
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 $0.002 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.002"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://x402-crypto-data.vercel.app/api/price",
        json={
            "coins": [
                "coingecko:ethereum",
                "coingecko:bitcoin",
            ],
        },
    )
    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
2 h agoPassed402275 ms$0.002
6 h agoPassed402249 ms$0.002
11 h agoPassed402244 ms$0.002
15 h agoPassed402212 ms$0.002
19 h agoPassed402226 ms$0.002
Show 10 older checks
23 h agoPassed402264 ms$0.002
27 h agoPassed4021.6 s$0.002
31 h agoPassed402386 ms$0.002
35 h agoPassed402408 ms$0.002
39 h agoPassed402230 ms$0.002
43 h agoPassed402267 ms$0.002
47 h agoPassed402246 ms$0.002
2 days agoPassed402412 ms$0.002
2 days agoPassed402247 ms$0.002
2 days agoPassed402274 ms$0.002