Name: contract-source
Price: 0.01 USDC
Availability: InStock

$ man contract-source

agentutility / edge-market / contract-source

PRICE / CALL

$0.01

USDC · base mainnet · scheme: exact

METHOD

POST

CLUSTER

edgemarket

CATEGORY

uncategorized

STATUS

● live

NAME

contract-source — returns verified source code and abi for any deployed contract on ethereum, base, optimism, arbitrum, or polygon

synonym alias of contract-source-verified — reuses the canonical handler.

SYNOPSIS

POST https://x402.agentutility.ai/contract-source
     Content-Type: application/json
     X-PAYMENT:    <signed-transferWithAuthorization>

     { ... }

↳ first call → 402 Payment Required. Sign USDCtransferWithAuthorization, retry with theX-PAYMENT header.

DESCRIPTION

Returns verified source code and ABI for any deployed contract on Ethereum, Base, Optimism, Arbitrum, or Polygon. Includes is_verified, contract name, compiler version, parsed ABI, full source, license, optimizer settings, constructor args, and proxy implementation address. Use it as an Etherscan source lookup, contract ABI fetcher, or Solidity source lookup.

INPUT — request schema

property	type	description	req?
address	string	0x-prefixed 20-byte EVM contract address.	required
chain	string	EVM chain. Default 'base'. Other supported: 'ethereum', 'polygon', 'arbitrum', 'optimism'. enum: base · ethereum · polygon · arbitrum · optimism	optional

OUTPUT — response shape

field	type	description
address	string	Contract address that was queried, as a 0x-prefixed hex string.
chain	string	Chain the contract lives on (ethereum, base, optimism, arbitrum, or polygon).
is_verified	string	Boolean string indicating whether source code is verified on the chain's block explorer.
name	string	Contract name as declared in the verified Solidity source.
compiler_version	string	Solidity compiler version used to build the verified contract (e.g. v0.8.20+commit.a1b79de6).
abi	string	Parsed contract ABI as a JSON string describing functions, events, and errors.
source_code	string	Full verified Solidity source code, single-file or multi-file JSON standard input.
license	string	SPDX license identifier declared in the verified source (e.g. MIT, GPL-3.0, UNLICENSED).
optimization	string	Optimizer settings used at compile time, including enabled flag and runs count.
constructor_arguments	string	ABI-encoded constructor arguments supplied at contract deployment, as a hex string.
proxy	string	Implementation address if the contract is a proxy, otherwise null or zero address.
source	string	Block explorer the verified source was fetched from (e.g. etherscan, basescan, arbiscan).

EXAMPLES — two ways to call

EXAMPLE 1 · curl

curl -X POST https://x402.agentutility.ai/contract-source \
  -H 'Content-Type: application/json' \
  -d '{ }'

first response = 402 Payment Required with payment requirements; sign + retry with X-PAYMENT.

EXAMPLE 2 · mcp

# Install the MCP package for this endpoint's cluster
npx -y @agentutility/mcp-<cluster>

# Required: EVM private key with USDC on Base
export X402_PRIVATE_KEY=0x...

# Then call the contract-source tool from your MCP-aware agent.

MCP server handles payment automatically — your coding agent just calls the tool by name.

METADATA

tags: edge-marketcontract-sourceetherscanabisolidityverified-contractsproxy-implementationcontract-abi
methods: POST
cluster: edgemarket
price: $0.01 USDC per call

ADJACENT — other endpoints in edgemarket

endpoint	description	price
contract-source-verified	Fetches verified contract source code and ABI for a deployed contract on Ethereum, Optimism, Polygon, Base, or Arbitrum.	$0.01
dex-liquidity-depth	Measures DEX liquidity depth by summing TVL across every DefiLlama-tracked yield pool holding a given ERC-20 on Ethereum, Base, Polygon,…	$0.01
eth-logs	Reads on-chain event logs with generic eth_getLogs queries across Base, Ethereum, Arbitrum, Optimism, Polygon, and BSC via public no-auth…	$0.01
lp-lock-check	Checks whether an LP token's liquidity is locked, useful for detecting rug-pull risk before swapping into a new pair.	$0.01
nft-floor	Gets an NFT collection's floor price and recent sales via Reservoir.	$0.01
agent-card-resolve	Resolves an ERC-8004 agentId to its on-chain owner, agentURI, and agent card JSON.	$0.005
arbitrage-spread	Finds the cross-exchange arbitrage spread for any CoinGecko-listed coin.	$0.005
basename-resolve	Resolves Coinbase Basenames (.base.eth) to Ethereum addresses and back, reading the Base mainnet L2 Resolver on-chain (no gas, no wallet).	$0.005