x402 seller preflight: check a paid endpoint BEFORE paying. Probes it unpaid, parses the 402 (v2 header or v1 body) and checks each option: scheme, network, asset is real USDC on Base, EIP-712 name/version match on-chain, payTo not a burn address, amount, timeout, discovery metadata. Plus on-chain seller reputation: USDC payments to payTo over 1-7 days (distinct payers, total, last payment). Returns verdict ok/caution/fail, issues and the recommended option.
Last updated 53m ago
On-chain USDC settlements received on Base · 0xb5aFc89b57Fa8270bB7261348179D28099BEa2a0
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On-chain payment destinations for this service, with each wallet’s current USDC balance. Click an address to view it on the block explorer.