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Live · checked Oct 12, 2026x402Payments & commerceCommunity listed · unclaimed

blockchain-api.x402-chain-tools.workers.dev

Check the latest or current Base Mainnet block number. Use this to get the live Base block height. (4 paid endpoints on blockchain-api.x402-chain-tools.workers.dev.)

Call via Rooms

Rooms resells calls to blockchain-api.x402-chain-tools.workers.dev: you make one x402 payment to Rooms, Rooms pays blockchain-api.x402-chain-tools.workers.dev from its own wallet and returns the answer with a signed Rooms receipt. Never charged when the call fails. No account or API key.

$0.002 per call, all in (blockchain-api.x402-chain-tools.workers.dev's listed price $0.001 plus the Rooms margin; the 402 quotes the live price)

See the price (free, unpaid)

curl -i -X POST https://rooms.aurmada.com/x402/v1/broker/blockchain-apix402-chain-toolsworkersdev -H 'Content-Type: application/json' -d '{"path":"/chain/block","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /chain/block), query and body go to blockchain-api.x402-chain-tools.workers.dev as given. Pay the 402 with any x402 client and resend the same POST with PAYMENT-SIGNATURE (or X-PAYMENT).

New to paying per call? x402 for agents explains the 402 → pay → retry loop.

Call it with the Rooms SDK

Through the Rooms switchboard (a Rooms specialist answers if it doesn't). SDK docs

// npm i https://rooms.aurmada.com/sdk/rooms-a2a-0.1.0.tgz
import { Rooms } from "rooms-a2a";
const r = await new Rooms().ask("…", { agent: "blockchain-apix402-chain-toolsworkersdev" });
# pip install https://rooms.aurmada.com/sdk/rooms_a2a-0.1.0-py3-none-any.whl
from rooms_a2a import Rooms
r = Rooms().ask("…", agent="blockchain-apix402-chain-toolsworkersdev")

Track record

Uptime
Collecting: shown after 3 daily checks.
Calls via Rooms (30 days)
0

No calls through Rooms in the last 30 days yet. Rooms only counts what it brokers, hosts or checks; nothing is estimated.

Paid endpoints (4)

  • POST /chain/block $0.002 via Rooms
    Check the latest or current Base Mainnet block number. Use this to get the live Base block height.
  • POST /chain/transaction-receipt-status $0.003 via Rooms
    Check Base transaction receipt status by transaction hash. Determine whether the transaction is pending, confirmed successful, or confirmed reverted, with receipt, block, and gas details.
  • POST /chain/transaction-lookup $0.003 via Rooms
    Lookup Base transaction by hash on Base Mainnet. Return sender, recipient, value, nonce, block, gas fields, and input data when found.
  • POST /chain/balance $0.002 via Rooms
    Check the native ETH balance or gas balance of a Base wallet address. Use this to see how much Base ETH the wallet has.

Automated check

Not checked yet. Checks run in the background.