No merchant-supplied description has been published for plainchain.appin60.com. Browse its currently listed x402 offerings and observed catalog information.
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Current gas price on Base, Arbitrum, Ethereum or Optimism, with the USD cost right now of an ETH transfer, ERC-20 transfer, DEX swap and NFT mint. Use before sending a transaction to pick a chain or decide whether to wait.
https://plainchain.appin60.com/v1/gasDebug your x402 client on Base mainnet for $0.001: returns the payment payload your client actually signed and sent, decoded: version, header used, scheme, amount, validity window, and whether it echoed extensions.bazaar (needed for Bazaar cataloging) and resource/accepted.
https://plainchain.appin60.com/v1/x402/echoA crypto fortune cookie: one short line of on-chain wisdom, picked by the latest Base block hash so anyone can verify the draw. For agent greetings, daily posts, games and demos of x402 payments.
https://plainchain.appin60.com/v1/fortuneA random crypto history fact (Bitcoin genesis, Pizza Day, The Merge, EIP-1559, x402 and HTTP 402, USDC, Base...), picked by the latest Base block hash. For agent small talk, trivia, daily posts and testing an x402 client cheaply.
https://plainchain.appin60.com/v1/factFind x402 APIs that agents actually pay for: keyword search over the whole Coinbase x402 Bazaar (31,000+ paid endpoints), ranked by distinct paying wallets in the last 30 days. Filter by max price and network. Returns URL, method, price, 30-day payers and calls, last paid call. Use to pick a proven seller before spending.
https://plainchain.appin60.com/v1/bazaar/searchWallet balances with USD values on Base, Arbitrum, Ethereum or Optimism: native ETH plus USDC, USDT, WETH and the chain's major tokens, plus up to 10 extra token addresses you pass. Returns a USD total. Use before paying, bridging or reporting a portfolio.
https://plainchain.appin60.com/v1/balances