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x402 Foundation
.@SolanaFndn and @CoinbaseDev broke down how x402 gives AI agents a native way to pay.
While the internet relied on ads and credit cards, x402 payment protocol uses stablecoins to let agents pay for web resources autonomously.
AI tools like Claude Code and OpenClaw can reason, but lack the ability to make payments.
x402 bridges that gap which has already handled ~200M transactions and $50B in volume across 150k endpoints, mostly for micropayments under $0.50 that traditional cards can't support.
How it works: HTTP 402 ("Payment Required") is finally being used.
When an agent hits a paywall or API, x402 lets it read the real-time price in stablecoins, evaluate the cost, and settle payment instant-by-instant without human intervention.
Three core problems x402 solves:
• Open discovery: Wallets replace API keys for instant tool access.
• Economic reasoning: Pricing feeds into the agent's context window for budget decisions.
• Autonomous loops: Agents can earn and spend in the same runtime.
Hosted by the @linuxfoundation, x402 is emerging as the definitive open standard for agent payments.
Major tech infrastructure like @AWS, @stripe, and @Cloudflare are already building with it, alongside AI-native platforms like @browserbase and @ExaAILabs.
Start building autonomous agent workflows today.
Check out for the open standard, and reach out to @SolanaFndn @CoinbaseDev to start deploying on and AWOL.
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