Glossary
x402
Quick answer
x402 is an HTTP-native payment protocol that lets AI agents pay for an API call in USDC per request, using the HTTP 402 Payment Required status to settle payment inline with the request.
It makes content and APIs agent-payable: on Loreto, agents can buy skills and pay per generation call in USDC without a human checkout. It is the settlement rail behind agent-to-agent commerce.
Turn this into a skill your agent can run
Loreto packages any workflow or source into a production-ready Claude Code skill.