Run it from your wallet.
Preview the live x402 challenge, connect an injected wallet, and authorize exactly $0.025 USDC on Base. API Acre never receives your private key.
No payment has been requested.
1 · Preview the request
Code metrics
This sends an unpaid request and verifies the endpoint, token, price, resource, and recipient before enabling a wallet.
2 · Verify and connect
- Price
- Network
- Recipient
- USDC contract
Use a low-value wallet. Your wallet will show an EIP-712 USDC authorization, not a seed-phrase or private-key prompt.
3 · Authorize one call
Connected wallet:
Signing authorizes only the verified amount and recipient for this request. Reject the wallet prompt if anything differs.
Result
Settlement receipt
Browser checkout requires an injected EVM wallet with USDC on Base. For agents and automated clients, use the official x402 SDK examples.