Command to Deploy your smart Contract :-
npx hardhat run --network matic scripts/deploy.js
Get the address then verified that contract using.
Command to verify your smart Contract :-
npx hardhat verify 0x394b899AAb17EfCF200AA3F9ce12F6fDf740E6Aa --network matic
Successfully submitted source code for contract
contracts/GasLessNFT.sol:GasLessNFT at 0x394b899AAb17EfCF200AA3F9ce12F6fDf740E6Aa
for verification on the block explorer. Waiting for verification result...
Successfully verified contract GasLessNFT on the block explorer.