Overview - x402 is an internet-native payment standard for Agents, offering fast, cheap, and on-chain transactions [1] - Agents can pay per API call in USDC with instant finality, no chargebacks, and full compliance [1] Payment Processing - Payments are settled without the friction of managing API keys or subscriptions [1] - Facilitators like PayAI and Coinbase act as gateways to verify and settle payments [1]