PROOFLINEVerified invoice payment

USDC / Base Mainnet

Pay an agreed
Proofline invoice.

Use this page only after the scope and exact price have been agreed in your private Proofline thread. The wallet, network, and native USDC contract are shown together so every detail can be verified before a transfer.

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Before sending

  1. 01Confirm the invoice

    Match the amount to the written scope in your private project thread.

  2. 02Use Base Mainnet

    Do not send from Ethereum, another L2, or a different network.

  3. 03Use native USDC

    Verify the Circle contract shown below; do not substitute a bridged token.

  4. 04Share the transaction

    Paste the transaction hash into the private thread so work can begin after confirmation.