Guides
What is x402 batch settlement?The part of x402 that lets a trusted caller run a tab and settle many requests at once, instead of paying for every request upfront.What is x402? A plain explanation of paying for APIs per requestx402 lets an API charge a few cents or less per request, paid in USDC by the caller's wallet, with no account or API key. How it works, in four steps.What is an x402 facilitator?The service that checks an x402 payment and puts it on-chain for the seller, so an API can take payments without running blockchain infrastructure.How an AI agent gets USDC creditHow an AI agent joins the waitlist for a small USDC credit line on Base, in one request.Why an AI agent needs a credit scoreWhy autonomous agents benefit from a verifiable on-chain credit history, and what the score measures.What to do when your AI agent runs out of money mid-taskWhy autonomous agents stall on HTTP 402 or an empty wallet, and the options for keeping them funded, including a small credit line.