Etherscan · Markets

Etherscan / Verified contract source code

Source code, compiler version, optimisation settings, constructor arguments, licence and proxy implementation of a verified contract. Large contracts can be several hundred KB. Runs on your own Etherscan API key; Etherscan bills your own plan (the free plan has rate limits and does not cover every chain). looot charges $0.

Live data

You are looking at the live public catalog.

unverifiedRequest shape unavailableUnverified

Published API evidence

Public metadata only. Response bodies, credentials, and internal review notes are never displayed.

No verification date is claimed. No response capture is claimed.

Request parameters

action query · optional
Fixed to "getsourcecode" for this route.
address query · required
A 0x address, e.g. 0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae.
chainid query · optional
EVM chain id: 1 Ethereum, 8453 Base, 42161 Arbitrum One, 10 OP Mainnet, 137 Polygon, 56 BNB Chain, 11155111 Sepolia. Default 1. Some chains need a paid Etherscan plan.
module query · optional
Fixed to "contract" for this route.

No allowlisted official documentation or pricing reference is available.