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Chain Block Number

by Latest Block Number in Onchain & crypto

x402 APIPassing, checked 17 min ago

The current chain tip (latest block height) via eth_blockNumber, across Base, Ethereum, Optimism, Arbitrum, Polygon, Gnosis. The freshness read settlement, indexing and trading agents poll to know where the chain is. Live public RPC; one paid call.

GET https://store.agentexchange.work/chain/block-number

Last 30 days

All checks passedSome failedAll failedNot checked
Uptime
100%
Response time
155 ms typical, 155 ms slowest 5%
Last check
17 min ago
Next check
in 15 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X GET "https://store.agentexchange.work/chain/block-number?chain=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%2Fstore.agentexchange.work%2Fchain%2Fblock-number
const res = await pay("https://store.agentexchange.work/chain/block-number?chain=base");
console.log(await res.json());

Example input

{
  "chain": "base"
}

Example output

{
  "block_number": 47234186,
  "chain": "base"
}

Security scan

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

Recent checks

WhenResultHTTPTimePrice
17 min agoPassed402155 ms$0.001
4 h agoPassed402179 ms$0.001
9 h agoPassed402140 ms$0.001