@yanneth
I’m really bullish on x402 and what it will enable for the future of programming.
The Core Problem: Traditional payments can’t handle machine-to-machine micropayments.
When your iMessage agent orders pizza through Uber’s API, it triggers a chain: inventory check, routing, delivery confirmation. Each step costs money.
Why traditional systems fail:
• Credit cards: 2-3% fees + $0.30 minimum kills microtransactions
• Bank transfers: Take days, need human KYC
Why Crypto:
1. Permissionless: Any agent can transact instantly without contracts
2. Instant settlement: USDC settles in 12 seconds vs 3-5 days
3. Programmable: Smart contracts enable escrow/refunds
4. Global: No forex or correspondent banks
What x402 does: Standard for “payment required” API responses
Example:
You: “Order pizza” → Agent pings Uber (x402: “8 USDC”) → Pings restaurant → Smart contract locks funds → Delivery confirmed → Funds split instantly
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