> For the complete documentation index, see [llms.txt](https://docs.zklink.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zklink.io/developer/contract-verification.md).

# Contract Verification

## User Interface

You can verify your smart contract at the Smart Contract Verification page.

Mainnet:<https://explorer.zklink.io/contracts/verify>

Testnet: <https://sepolia.explorer.zklink.io/contracts/verify>

## Hardhat plugin <a href="#hardhat-plugin" id="hardhat-plugin"></a>

You can also verify your smart contract using the [Hardhat plugin](https://docs.zksync.io/build/tooling/hardhat/hardhat-zksync-verify.html) provided by zkSync. Please use the below URLs for configuration:

Mainnet: <https://explorer.zklink.io/contract_verification>

Testnet: <https://sepolia.explorer.zklink.io/contract_verification><br>

{% hint style="info" %}
Please note the current backend verification system **only** support the following compilers:

zksolc: v1.3.0 \~ v1.3.22

solc:  <= v0.8.22
{% endhint %}