How to Sell Services to AI Agents | x402 Goes Live On The Stellar Network

If you want to charge for an API you might issue API keys, set up a payment processor, manage rate limits, and hope your users don't churn. That model assumes a human is on the other side of the keyboard. AI agents change the dynamic as they don’t have access or permissions to sign up for credit card based subscriptions. But what if you could give your agent access to a small amount of digital assets and they could use it to pay for metered access. This is where x402 comes in. It revives the long reserved HTTP status code “402 Payment Required”. Instead of redirecting to a checkout page, a server can respond with a machine readable payment request. The client signs a transaction providing authentication to route the digital assets and the resource is returned. No dashboards. No credit cards. No humans in the loop. Just native payments via http. Why The Stellar Network & USDC Payment rails matter. If you're charging $0.001 per API call, a $0.30 card processing fee is a non-starter. Sett