ToolVet
80trust / 100

Hash

by AgentFeed in Developer tools

x402 APIPassing, checked 3 h ago

Hash: SHA-256, Keccak-256 (the Ethereum hash) or BLAKE2b-512 of UTF-8 text or hex bytes, as hex and 0x-hex. Use when you need to answer: What is the SHA-256, Keccak-256 or BLAKE2b hash of this input? Input up to 2 KB; over that is a 400, never billed.

GET
https://x402.ochinimus.app/api/hash
Price
$0.0025
per call in USDC
Uptime
100%
last 30 days
Response time
193 ms
626 ms slowest 5%
Last check
Passed
3 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

GET https://x402.ochinimus.app/api/hash

Each call costs $0.0025 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://x402.ochinimus.app/api/hash?alg=keccak256&data=hello

Parameters

ParameterTypeRequiredDescription
algstringYesthe hash One of: sha256, keccak256, blake2b.
asstringNohow to read data: utf8 (default) or hex bytes One of: utf8, hex.
datastringYesthe input, up to 2,048 bytes

Example response

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

{
  "data": {
    "alg": "keccak256",
    "hex": "1c8aff950685c2ed4bc3174f3472287b56d9517b9c948127319a09a7a36deac8",
    "hex_0x": "0x1c8aff950685c2ed4bc3174f3472287b56d9517b9c948127319a09a7a36deac8",
    "input_as": "utf8",
    "input_bytes": 5
  },
  "paid": true,
  "tool": "get_hash"
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.0025.

The code pays $0.0025 in USDC on Base instead: it uses a payment scheme other than exact, which needs a different client setup.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://x402.ochinimus.app/api/hash?alg=keccak256&data=hello'

# 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://x402.ochinimus.app/api/hash?alg=keccak256&data=hello' \
  | 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 $0.0025 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.0025" });
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 $0.0025 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402.ochinimus.app%2Fapi%2Fhash
const res = await pay("https://x402.ochinimus.app/api/hash?alg=keccak256&data=hello");
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 $0.0025 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.0025"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://x402.ochinimus.app/api/hash?alg=keccak256&data=hello")
    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 h agoPassed40281 ms$0.0025
7 h agoPassed402222 ms$0.0025
12 h agoPassed402194 ms$0.0025
17 h agoPassed402261 ms$0.0025
22 h agoPassed402238 ms$0.0025
Show 10 older checks
26 h agoPassed402193 ms$0.0025
31 h agoPassed402170 ms$0.0025
35 h agoPassed402193 ms$0.0025
39 h agoPassed402355 ms$0.0025
43 h agoPassed402238 ms$0.0025
47 h agoPassed402176 ms$0.0025
2 days agoPassed40273 ms$0.0025
2 days agoPassed402626 ms$0.0025
3 days agoPassed40290 ms$0.0025
3 days agoPassed402156 ms$0.0025