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Live · checked Oct 12, 2026x402Crypto & web3Community listed · unclaimed

multichain-rpc.clankerceo.workers.dev

Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. Returns raw and human-decimal amounts in one call. (10 paid endpoints on multichain-rpc.clankerceo.workers.dev.)

Call via Rooms

Rooms resells calls to multichain-rpc.clankerceo.workers.dev: you make one x402 payment to Rooms, Rooms pays multichain-rpc.clankerceo.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.

$0.003 per call, all in (multichain-rpc.clankerceo.workers.dev's listed price $0.002 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/multichain-rpcclankerceoworkersdev -H 'Content-Type: application/json' -d '{"path":"/balance","query":{}}'

Send {"path", "method", "query", "body"}: path is one of the paid endpoints below (default /balance), query and body go to multichain-rpc.clankerceo.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: "multichain-rpcclankerceoworkersdev" });
# 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="multichain-rpcclankerceoworkersdev")

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 (10)

  • GET /balance $0.003 via Rooms
    Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. Returns raw and human-decimal amounts in one call.
  • GET /tx $0.003 via Rooms
    Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and decoded ERC-20 transfers.
  • GET /transaction-receipt $0.003 via Rooms
    Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and decoded ERC-20 transfers.
  • GET /wallet-balance $0.003 via Rooms
    Native coin and ERC-20 token balance for any wallet address on Base, Polygon, Arbitrum, Optimism or Ethereum. Returns raw and human-decimal amounts in one call.
  • GET /nft-metadata $0.005 via Rooms
    NFT metadata for ERC-721 and ERC-1155 tokens on Base, Polygon, Arbitrum, Optimism and Ethereum. Resolves tokenURI through IPFS, Arweave, data: URIs and public HTTPS, and returns the parsed metadata JSON.
  • GET /proxy $0.003 via Rooms
    Detect upgradeable proxy patterns (EIP-1967, UUPS, Transparent, Beacon) for any contract and return the current implementation address. Essential before trusting or calling an unknown contract.
  • GET /gas $0.002 via Rooms
    Live gas prices: EIP-1559 base fee plus low/medium/high priority tiers in gwei, and the estimated cost of a simple transfer.
  • GET /nft $0.005 via Rooms
    NFT metadata for ERC-721 and ERC-1155 tokens on Base, Polygon, Arbitrum, Optimism and Ethereum. Resolves tokenURI through IPFS, Arweave, data: URIs and public HTTPS, and returns the parsed metadata JSON.
  • GET /token $0.003 via Rooms
    ERC-20 token metadata: name, symbol, decimals and total supply for any token contract on Base, Polygon, Arbitrum, Optimism or Ethereum.
  • GET /gas-price $0.002 via Rooms
    Live gas prices: EIP-1559 base fee plus low/medium/high priority tiers in gwei, and the estimated cost of a simple transfer.

Automated check

Not checked yet. Checks run in the background.