USDC Pricing

Paper supports selling NFTs that accept the USDC token for enterprise customers only.

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Read our guide on How to Price your NFTs in USDC.

Integration

For thirdweb contracts

1. Navigate to the thirdweb dashboard for your contract
2. Set the claim condition to price the NFT in USDC.

For custom contracts

1. Add the following snippet to your contract (modify as needed):

   1. Solidity

      // Replace MY_USDC_ADDRESS with the address based on the blockchain below.
      IERC20 public usdc = IERC20("0xe6b8a5CF854791412c1f6EFC7CAf629f5Df1c747");
      uint256 priceInUsdc = 50 * 10 ** 6
      
      function mintTo(address recipient, uint256 quantity) public {
        usdc.transferFrom(msg.sender, address(this), quantity * priceInUsdc);
      }

2. Configure your checkout to accept USDC payment:

   1. Shareable Checkout Links: When creating the checkout set the Price per NFT currency to USDC.
   2. One-Time Checkout Links: When creating a One-Time Checkout Link set mintMethod with "payment": { "value": "50 * $QUANTITY", currency: "USDC" }.
   3. Checkout Elements: When creating a Client Secret set mintMethod with "payment": { "value": "50 * $QUANTITY", currency: "USDC" }.

Accepting the correct USDC token

Make sure your contract requests the correct USDC token address from Paper. These are the supported USDC token addresses.

• USDC on Mumbai: 0x0fa8781a83e46826621b3bc094ea2a0212e71b23
• USDC on Polygon: 0x3c499c542cef5e3811e1192ce70d8cc03d5c3359
• USDC on Goerli: 0x07865c6E87B9F70255377e024ace6630C1Eaa37F
• USDC on Ethereum: 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48
• USDC on Optimism: 0x7f5c764cbc14f9669b88837ca1490cca17c31607

FAQ

Do you support other ERC-20 tokens?

Paper supports popular ERC-20 (or ERC20) tokens like USDC and WETH. If your NFT is priced in a different token, contact us.