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Block Info

by Block info in Onchain & crypto

x402 APIPassing, checked 4 h ago

Header-level detail for one block on Ethereum, Base, Polygon, Arbitrum, or Optimism: hash, timestamp (unix + ISO), transaction count, gas used/limit, base fee. Pass a block number, 0x hex, or "latest". Keyless multi-endpoint failover.

GET https://agent402.tools/api/block-info

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
209 ms typical, 209 ms slowest 5%
Last check
4 h ago
Next check
any minute now

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://agent402.tools/api/block-info?block=latest&network=base"
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fagent402.tools%2Fapi%2Fblock-info
const res = await pay("https://agent402.tools/api/block-info?block=latest&network=base");
console.log(await res.json());

Example input

{
  "block": "latest",
  "network": "base"
}

Example output

{
  "baseFeePerGas": "4100000",
  "gasLimit": "180000000",
  "gasUsed": "8123456",
  "hash": "0x…",
  "network": "base",
  "number": 27000000,
  "timestamp": 1753747200,
  "timestampIso": "2026-07-29T00:00:00.000Z",
  "txCount": 142
}

Security scan

  • No findings. We scan names, descriptions and tool definitions for hidden instructions and other prompt-injection patterns.

Recent checks

WhenResultHTTPTimePrice
4 h agoPassed402209 ms$0.001