# Referral Manager

Highlight offers a contract called `ReferralManager`, which acts as a proxy for our [MintManager](/knowledge-base/for-developers/minting-protocol/mint-managers.md). By executing mints through this contract, you can capitalize on [referral rewards](/knowledge-base/for-developers/protocol-rewards/mint-referral-rewards.md), earning 10% of [Highlight's mint fee](/knowledge-base/for-creators/about-highlight/highlight-fees.md). 

On the `ReferralManager`, `vectorMint721WithReferral`, `gatedNumMint721WithReferral` and `gatedChooseMint721WithReferral` are the three methods supported, which essentially means that referrals are supported for all fixed price sales and private dutch auctions on Highlight.

`vectorMint721WithReferral` is used for mints on public sales, where you can pretty easily construct the arguments yourself. 

The `gatedNumMint721WithReferral` and `gatedChooseMint721WithReferral` methods require an EIP712 based signature, and are used for [gated mints](/knowledge-base/for-creators/selling-your-nfts/setting-up-gates-allowlists.md) and [collector’s choice series](/knowledge-base/for-creators/project-quick-start-guides/launch-a-collectors-choice-project.md) mints. You can construct these arguments by hitting our API. In fact, you can construct mint args for every referral-supported mint using our API if you wanted to, with the following schema and endpoint:

```
API url: https://api.highlight.xyz:8080/

Graphql query: 

mutation ClaimMintTo($data: MintClaimInput!, $vectorId: String!) {
  claimMintTo(data: $data, vectorId: $vectorId) {
    contract {
      chainId
      address
      args
      method
      value
      gasLimit
    }
  }
}

where MintClaimInput = {
  numTokensToMint: number;
  referrer?: string; // here's where you'd pass the referrer address
  mintData?: string; // you can ignore this field
}
```

***

Review the ReferralManager contract on Github:

{% embed url="<https://github.com/highlightxyz/hl-evm-contracts/blob/main/contracts/mint/referrals/ReferralManager.sol>" %}

See the [NFT contracts](/knowledge-base/for-developers/nft-contracts.md) page to find the ReferralManager on each chain.


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