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Returns the paid x402 request for your"},{"name":"pay_check","description":"Use when you must confirm that a transaction paid at least an amount of an asset to an address: pass tx, to, amount and asset. Returns the paid x402 request for"},{"name":"quote_swap","description":"Use for a DEX swap quote with a ready unsigned transaction: best route from Velora (ParaSwap), KyberSwap as fallback, on Base, Arbitrum, Ethereum, Optimism, Pol"},{"name":"evm_erc20_balance","description":"Use when you need one ERC-20 balance for one wallet: balanceOf, decimals and symbol read in a single multicall on Base, Ethereum, Arbitrum, Polygon or Optimism,"},{"name":"evm_native_balance","description":"Use when you need the native coin balance (ETH or POL) of an address on Base, Ethereum, Arbitrum, Polygon or Optimism: wei and a decimal amount from a public no"},{"name":"evm_block","description":"Use when you need a block header on Base, Ethereum, Arbitrum, Polygon or Optimism: latest or a given number, with hash, parent, timestamp, miner, gas used/limit"},{"name":"evm_transaction","description":"Use when you need a transaction by hash on Base, Ethereum, Arbitrum, Polygon or Optimism: from, to, value, nonce, gas and fee fields, block, confirmations, meth"},{"name":"evm_receipt","description":"Use when you need to know whether a transaction succeeded on Base, Ethereum, Arbitrum, Polygon or Optimism: receipt status, block, confirmations, gas used, effe"},{"name":"evm_code","description":"Use when you must know whether an address is a contract on Base, Ethereum, Arbitrum, Polygon or Optimism: is_contract, bytecode size, sha256 of the bytecode. 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