Refund a bridge

If your mint did not complete (cap reached, finalized, or any failure), you can claim back the bridged USDC. Refund is paid out as USDC on Arc to the same address that bridged.

How this works. Refunds are permissionless and on chain — no API needed. We poll Circle's Iris API for your bridge attestation, then call refundBridge on Arc. The contract only allows refunds once the mint is finalized or capped out, so you may need to wait if the mint is still open.