A live test of ArcChime. You pay on Arc, ArcChime spots the payment and sends a signed webhook, and this page unlocks on its own. No account, no wallet connection.
USDC0x8e2DA282cc5832a3c9AB760c808F4BE50AC7c856A native USDC send or an ERC-20 transfer both work. The amount is unique to your order, so send it exactly. Sending a different amount will not unlock anything.