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X402 Chain Reads V1 Gnosis Eth Getlogs

by Gnosis in Onchain & crypto

x402 APIPassing, checked 4 h ago

Gnosis Chain on-chain read: a contract's event logs, filtered by topic and block range. Returns raw event logs for one Gnosis contract via eth_getLogs. Takes address (0x+40 hex), optional topic0 (0x+64 hex), optional blocks (last N, default 10).

GET
https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs
Price
$0.003
per call in USDC
Uptime
100%
last 30 days
Response time
779 ms
863 ms slowest 5%
Last check
Passed
4 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://api.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs

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.

GET https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs?address=0xDDAfbb505ad214D7b80b1f830fcCc89B60fb7A83&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef

Parameters

ParameterTypeRequiredDescription
addressstringNocontract, 0x + 40 hex
blocksstringNooptional, last N blocks, 1-100 (default 10)
topic0stringNooptional event signature hash, 0x + 64 hex

Example response

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

Example response, 44 lines
{
  "chain": "gnosis",
  "method": "eth_getLogs",
  "ok": true,
  "result": {
    "count": 2,
    "from_block": 48798692,
    "logs": [
      {
        "address": "0xddafbb505ad214d7b80b1f830fccc89b60fb7a83",
        "blockHash": "0xd8f60070c47b0aebf5c1a1048e7218cba3060604c73bf6931d3c5f48e8733b5e",
        "blockNumber": "0x2e89bea",
        "blockTimestamp": "0x6ad30f7b",
        "data": "0x00000000000000000000000000000000000000000000000000000000002333a8",
        "logIndex": "0x3",
        "removed": false,
        "topics": [
          "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
          "0x0000000000000000000000007f90122bf0700f9e7e1f688fe926940e8839f353"
        ],
        "transactionHash": "0x88f237062d07deb3ac426d697631d89a86860b8aa0746822c155e7c77b8a5574",
        "transactionIndex": "0x0"
      },
      {
        "address": "0xddafbb505ad214d7b80b1f830fccc89b60fb7a83",
        "blockHash": "0xd8f60070c47b0aebf5c1a1048e7218cba3060604c73bf6931d3c5f48e8733b5e",
        "blockNumber": "0x2e89bea",
        "blockTimestamp": "0x6ad30f7b",
        "data": "0x00000000000000000000000000000000000000000000000000000000002333a8",
        "logIndex": "0x6",
        "removed": false,
        "topics": [
          "0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef",
          "0x000000000000000000000000b45373129b4220160b92bd2320869f44d48ecd01"
        ],
        "transactionHash": "0x88f237062d07deb3ac426d697631d89a86860b8aa0746822c155e7c77b8a5574",
        "transactionIndex": "0x0"
      }
    ],
    "to_block": 48798701,
    "truncated": false
  },
  "service": "x402_chain_reads_v1.gnosis_eth_getlogs"
}

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 'https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs?address=0xDDAfbb505ad214D7b80b1f830fcCc89B60fb7A83&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef'

# 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.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs?address=0xDDAfbb505ad214D7b80b1f830fcCc89B60fb7A83&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef' \
  | 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.arysphere.com%2Fv1%2Fventures%2Fx402_chain_reads_v1%2Fgnosis_eth_getlogs
const res = await pay("https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs?address=0xDDAfbb505ad214D7b80b1f830fcCc89B60fb7A83&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef");
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.get("https://api.arysphere.com/v1/ventures/x402_chain_reads_v1/gnosis_eth_getlogs?address=0xDDAfbb505ad214D7b80b1f830fcCc89B60fb7A83&blocks=10&topic0=0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef")
    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 agoPassed402863 ms$0.003
9 h agoPassed402338 ms$0.003
14 h agoPassed402779 ms$0.003