Refresher first
Quiz before explanation. Repair only the concepts the learner forgot.
Learn402 is an agentic Solidity refresher for XDC AI. Human learners use their coding agent; the agent discovers tutor actions and pays per quiz, hint, and review over x402.
Quiz before explanation. Repair only the concepts the learner forgot.
Lessons can be free. Grading, hints, tutor cards, and reviews are small paid calls.
The first track refreshes Solidity, then progresses toward deployment and XDC-specific workflows.
POST https://learn402.app/api/start
{ "role": "refresher", "track": "foundation" }
Paid routes are intended to be called through XDC AI Gateway.