An AI agent that pays for its own API calls on AWS (opens in new tab)

I built a small AWS Bedrock AgentCore agent that pays for a paywalled API with real USDC on Arbitrum One. It asks for a report, gets back HTTP 402 Payment Required, settles the charge on its own, and retries. No API key, no card on file, no human clicking approve. The settlement lands on Arbitrum One mainnet, and the run prints an Arbiscan link to the transaction so you can read it yourself. There's a great walkthrough of the same idea on Base Sepolia by William Mendoza Gopar. This post expan...