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Workers

Workers is an x402-native service at https://multichain-rpc.clankerceo.workers.dev, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 9 endpoints listed.

Base

Offers

OfferEndpointPrice
Balance
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.
/m/bz-multichain-rpc-clankerceo-workers-dev/balance0.002 USDC
Gas
Live gas prices: EIP-1559 base fee plus low/medium/high priority tiers in gwei, and the estimated cost of a simple transfer.
/m/bz-multichain-rpc-clankerceo-workers-dev/gas0.001 USDC
Gas Price
Live gas prices: EIP-1559 base fee plus low/medium/high priority tiers in gwei, and the estimated cost of a simple transfer.
/m/bz-multichain-rpc-clankerceo-workers-dev/gas-price0.001 USDC
Nft
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.
/m/bz-multichain-rpc-clankerceo-workers-dev/nft0.004 USDC
Nft Metadata
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.
/m/bz-multichain-rpc-clankerceo-workers-dev/nft-metadata0.004 USDC
Proxy
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.
/m/bz-multichain-rpc-clankerceo-workers-dev/proxy0.002 USDC
Token
ERC-20 token metadata: name, symbol, decimals and total supply for any token contract on Base, Polygon, Arbitrum, Optimism or Ethereum.
/m/bz-multichain-rpc-clankerceo-workers-dev/token0.002 USDC
Tx
Transaction details and receipt by hash: status, block, from, to, value, gas used, effective gas price and decoded ERC-20 transfers.
/m/bz-multichain-rpc-clankerceo-workers-dev/tx0.002 USDC
Wallet Balance
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.
/m/bz-multichain-rpc-clankerceo-workers-dev/wallet-balance0.002 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-multichain-rpc-clankerceo-workers-dev/balance')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-multichain-rpc-clankerceo-workers-dev/balance
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …