The x402 protocol that's trending across the internet—what exactly makes AI learn autonomous payments? This episode of OKX Crypto Sisters, brought to you by @Mercy_okx, delivers a hardcore explainer on the 'x402 protocol.' Currently, OKX Wallet has provided the x402 API: ✅ Initial support for X Layer USDT/USDC direct payments ✅ Gas-free millisecond-level settlement