x402 Pay

Set up your wallet

Create a lightweight agent wallet to pay for 402 APIs instantly via state channels.

Import wallet

Paste an existing private key. Use a dedicated agent key, not your main wallet.

⚠ Only use a dedicated agent key with small balances.
Agent Wallet
Sepolia
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Network-
Route-
Gas$0.00 off-chain
Paying from

Payment complete

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Payment failed

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Channels

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Payments

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Settings

Use Alchemy / Infura / QuickNode for reliability.
ETH / hr
Payments within the hourly limit auto-confirm without prompting. Set 0 to disable.
No URLs approved yet. URLs are approved during payment.

Wallet

Address
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Claim your handle

Reserve a free handle@statechannel.org for inbound payments. It links this wallet now, and you can skip and come back later.

Free
@statechannel.org
Use lowercase letters, numbers, or hyphens. You also get the matching hey.eth name.
Will claim-
Linked wallet-
Secured byx402s protocolv21
Fund via MetaMask
Sending to Agent Wallet
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MetaMask is on a different network. Switch to match your agent wallet.
ETH
Waiting for MetaMask...
Sends ETH or USDC from your MetaMask to your agent wallet address.