Crypto Price
by SiteCheck in Onchain & crypto
USD spot prices for up to 20 symbols (BTC, ETH, SOL...) from Coinbase, with the source of each price. A Solana mint address also works and is priced by Jupiter. Symbols without a price are listed in unavailable. Cached 15 seconds. Information only, not financial advice.
https://api.sitecheck-api.workers.dev/api/crypto/price- Price
- $0.001
- per call in USDC
- Uptime
- 100%
- last 30 days
- Response time
- 54 ms
- 699 ms slowest 5%
- Last check
- Passed
- 1 h ago, next any minute now
Reliability
How to call it
GET https://api.sitecheck-api.workers.dev/api/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://api.sitecheck-api.workers.dev/api/crypto/price?symbols=BTC%2CETH%2CSOLParameters
| Parameter | Type | Required | Description |
|---|---|---|---|
symbols | string | Yes | Comma-separated symbols (BTC,ETH) or Solana mint addresses, up to 20 |
Example response
The provider's example. We can't check it without paying.
{
"checkedAt": "2026-10-14T04:49:20.248Z",
"disclaimer": "Information only, not financial advice.",
"prices": [
{
"priceUsd": 83639.435,
"source": "Coinbase spot",
"symbol": "BTC"
},
{
"priceUsd": 2511.565,
"source": "Coinbase spot",
"symbol": "ETH"
}
],
"source": "Coinbase public spot prices, Jupiter price API for mints",
"unavailable": []
}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://api.sitecheck-api.workers.dev/api/crypto/price?symbols=BTC%2CETH%2CSOL'
# 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://api.sitecheck-api.workers.dev/api/crypto/price?symbols=BTC%2CETH%2CSOL' \
| grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decodeJavaScript: 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%2Fapi.sitecheck-api.workers.dev%2Fapi%2Fcrypto%2Fprice
const res = await pay("https://api.sitecheck-api.workers.dev/api/crypto/price?symbols=BTC%2CETH%2CSOL");
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://api.sitecheck-api.workers.dev/api/crypto/price?symbols=BTC%2CETH%2CSOL")
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
| When | Result | HTTP | Time | Price |
|---|---|---|---|---|
| 1 h ago | Passed | 402 | 72 ms | $0.001 |
| 6 h ago | Passed | 402 | 50 ms | $0.001 |
| 10 h ago | Passed | 402 | 59 ms | $0.001 |
| 14 h ago | Passed | 402 | 54 ms | $0.001 |
| 18 h ago | Passed | 402 | 45 ms | $0.001 |
Show 2 older checks
| 23 h ago | Passed | 402 | 699 ms | $0.001 |
| 27 h ago | Passed | 402 | 46 ms | $0.001 |